(!)Due to Microsoft's end of support for Internet Explorer 11 on 15/06/2022, this site does not support the recommended environment.
Instead, please kindly use other browsers like Google Chrome, Microsoft Edge or Mozilla Firefox.

7 Million Products, 2,000 Brands.
50,000 Stock items for Same Day Ship Out.

All Categories

Categories

Search by Application

Brands

  • MISUMI TECHNICAL LIBRARY
  • Mold EX Press
  • Need a copy of MISUMI Catalog?
Webcode Seach | Series
#CODE
Keyword suggestions
Part number suggestions
Discontinued Products
Quote / Order

Part Number Checker

  • Please be informed that our office is closed during the upcoming Labour Day Holiday in 2024. We would also like to inform you that there may be a potential delay in response/shipment from the supplier due to the Japan Golden Week holiday which falls from 29th April to 6th May 2024. Click here for details.
  • Please Note our New Address (effective April 1, 2024): 331 North Bridge Rd, #05-01 Odeon 331, Singapore 188720.

  • How can we improve?

    How can we improve?

    Feedback
    Name (Optional)
    E-mail Address (Optional)
    Tel (Optional)

    Thank you for your time.
    Your feedback is essential for our continuous improvement
    Privacy Policy

    Thank you for your cooperation.

    Thank you for your time.
    Your feedback is essential for our continuous improvement
    Please use the inquiry form.

    Privacy Policy

Core Pins For Shaft Holes -Shaft Diameter (D) Selection Type_Shaft Diameter (P) Designation (0.01mm Increments) Type-

Core Pins For Shaft Holes -Shaft Diameter (D) Selection Type_Shaft Diameter (P) Designation (0.01mm Increments) Type-

Click this image to zoom it.

Move the mouse over the image to zoom

MISUMI

MISUMI

A core pin for shaft holes with a fixed shaft diameter (D) and a specified shaft diameter (P) of 0.01mm.

PDFP.533

Part Number

Configured Part Number is shown.

Part Number 

CAD Data download and 3D preview are not available because the part number has not yet been determined.

  • *In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
  • Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.
Loading...

CAD Download

30
45
60
  1. 1
Part Number
CPSBCF2.5-[22-100/0.01]-P[2-2.49/0.01]-F[20-96/0.01]-A[1.5-2.49/0.01]-W[0.75-2.48/0.01]-S[0.5-35/0.01]
CPSBCF3-[22-100/0.01]-P[2.5-2.99/0.01]-F[20-96/0.01]-A[1.5-2.99/0.01]-W[0.75-2.98/0.01]-S[0.5-35/0.01]
CPSBCF3.5-[22-100/0.01]-P[3-3.49/0.01]-F[20-96/0.01]-A[1.5-3.49/0.01]-W[0.75-3.48/0.01]-S[0.5-35/0.01]
CPSBCF4-[22-100/0.01]-P[3.5-3.99/0.01]-F[20-96/0.01]-A[1.5-3.99/0.01]-W[0.75-3.98/0.01]-S[0.5-35/0.01]
CPSBCF4.5-[22-100/0.01]-P[4-4.49/0.01]-F[20-96/0.01]-A[1.5-4.49/0.01]-W[0.75-4.48/0.01]-S[0.5-35/0.01]
CPSBCF5-[22-150/0.01]-P[4.5-4.99/0.01]-F[20-146/0.01]-A[1.5-4.99/0.01]-W[0.75-4.98/0.01]-S[0.5-35/0.01]
CPSBCF5.5-[22-150/0.01]-P[5-5.49/0.01]-F[20-146/0.01]-A[1.5-5.49/0.01]-W[0.75-5.48/0.01]-S[0.5-35/0.01]
CPSBCF6-[22-150/0.01]-P[5.5-5.99/0.01]-F[20-146/0.01]-A[2-5.99/0.01]-W[1-5.98/0.01]-S[0.5-35/0.01]
CPSBCF6.5-[22-150/0.01]-P[6-6.49/0.01]-F[20-146/0.01]-A[2-6.49/0.01]-W[1-6.48/0.01]-S[0.5-35/0.01]
CPSBCF7-[22-150/0.01]-P[6.5-6.99/0.01]-F[20-146/0.01]-A[2-6.99/0.01]-W[1-6.98/0.01]-S[0.5-35/0.01]-C[0.1-1/0.1]
CPSBCF8-[22-150/0.01]-P[7-7.99/0.01]-F[20-146/0.01]-A[2-7.99/0.01]-W[1-7.98/0.01]-S[0.5-35/0.01]
CPSBCF10-[22-150/0.01]-P[8-9.99/0.01]-F[20-146/0.01]-A[2-9.99/0.01]-W[1-9.98/0.01]-S[0.5-35/0.01]
CPSBCG2.5-[22-100/0.01]-P[2-2.49/0.01]-F[20-96/0.01]-A[1.5-2.4/0.01]-W[0.75-2.48/0.01]-S[0.5-35/0.01]
CPSBCG3-[22-100/0.01]-P[2.5-2.99/0.01]-F[20-96/0.01]-A[1.5-2.9/0.01]-W[0.75-2.98/0.01]-S[0.5-35/0.01]
CPSBCG3.5-[22-100/0.01]-P[3-3.49/0.01]-F[20-96/0.01]-A[1.5-3.4/0.01]-W[0.75-3.48/0.01]-S[0.5-35/0.01]
CPSBCG4-[22-100/0.01]-P[3.5-3.99/0.01]-F[20-96/0.01]-A[1.5-3.9/0.01]-W[0.75-3.98/0.01]-S[0.5-35/0.01]
CPSBCG4.5-[22-100/0.01]-P[4-4.49/0.01]-F[20-96/0.01]-A[1.5-4.4/0.01]-W[0.75-4.48/0.01]-S[0.5-35/0.01]
CPSBCG5-[22-150/0.01]-P[4.5-4.99/0.01]-F[20-146/0.01]-A[1.5-4.9/0.01]-W[0.75-4.98/0.01]-S[0.5-35/0.01]
CPSBCG5.5-[22-150/0.01]-P[5-5.49/0.01]-F[20-146/0.01]-A[1.5-5.4/0.01]-W[0.75-5.48/0.01]-S[0.5-35/0.01]
CPSBCG6-[22-150/0.01]-P[5.5-5.99/0.01]-F[20-146/0.01]-A[2-5.9/0.01]-W[1-5.98/0.01]-S[0.5-35/0.01]
CPSBCG6.5-[22-150/0.01]-P[6-6.49/0.01]-F[20-146/0.01]-A[2-6.4/0.01]-W[1-6.48/0.01]-S[0.5-35/0.01]
CPSBCG7-[22-150/0.01]-P[6.5-6.99/0.01]-F[20-146/0.01]-A[2-6.9/0.01]-W[1-6.98/0.01]-S[0.5-35/0.01]
CPSBCG8-[22-150/0.01]-P[7-7.99/0.01]-F[20-146/0.01]-A[2-7.9/0.01]-W[1-7.98/0.01]-S[0.5-35/0.01]
CPSBCG10-[22-150/0.01]-P[8-9.99/0.01]-F[20-146/0.01]-A[2-9.9/0.01]-W[1-9.98/0.01]-S[0.5-35/0.01]
CPSCF2-[22-100/0.01]-F[20-96/0.01]-A[1.5-2/0.01]-W[0.75-1.98/0.01]-S[0.5-35/0.01]
CPSCF2.5-[22-100/0.01]-F[20-96/0.01]-A[1.5-2.5/0.01]-W[0.75-2.48/0.01]-S[0.5-35/0.01]
CPSCF3-[22-100/0.01]-F[20-96/0.01]-A[1.5-3/0.01]-W[0.75-2.98/0.01]-S[0.5-35/0.01]
CPSCF3.5-[22-100/0.01]-F[20-96/0.01]-A[1.5-3.5/0.01]-W[0.75-3.48/0.01]-S[0.5-35/0.01]
CPSCF4-[22-100/0.01]-F[20-96/0.01]-A[1.5-4/0.01]-W[0.75-3.98/0.01]-S[0.5-35/0.01]
CPSCF4.5-[22-100/0.01]-F[20-96/0.01]-A[1.5-4.5/0.01]-W[0.75-4.48/0.01]-S[0.5-35/0.01]
CPSCF5-[22-150/0.01]-F[20-146/0.01]-A[1.5-5/0.01]-W[0.75-4.98/0.01]-S[0.5-35/0.01]
CPSCF5.5-[22-150/0.01]-F[20-146/0.01]-A[1.5-5.5/0.01]-W[0.75-5.48/0.01]-S[0.5-35/0.01]
CPSCF6-[22-150/0.01]-F[20-146/0.01]-A[2-6/0.01]-W[1-5.98/0.01]-S[0.5-35/0.01]
CPSCF6.5-[22-150/0.01]-F[20-146/0.01]-A[2-6.5/0.01]-W[1-6.48/0.01]-S[0.5-35/0.01]
CPSCF7-[22-150/0.01]-F[20-146/0.01]-A[2-7/0.01]-W[1-6.98/0.01]-S[0.5-35/0.01]
CPSCF8-[22-150/0.01]-F[20-146/0.01]-A[2-8/0.01]-W[1-7.98/0.01]-S[0.5-35/0.01]
CPSCF10-[22-150/0.01]-F[20-146/0.01]-A[2-10/0.01]-W[1-9.98/0.01]-S[0.5-35/0.01]
CPSCG2-[22-100/0.01]-F[20-96/0.01]-A[1.5-2/0.01]-W[0.75-1.98/0.01]-S[0.5-30/0.01]
CPSCG2.5-[22-100/0.01]-F[20-96/0.01]-A[1.5-2.5/0.01]-W[0.75-2.48/0.01]-S[0.5-30/0.01]
CPSCG3-[22-100/0.01]-F[20-96/0.01]-A[1.5-3/0.01]-W[0.75-2.98/0.01]-S[0.5-30/0.01]
CPSCG3.5-[22-100/0.01]-F[20-96/0.01]-A[1.5-3.5/0.01]-W[0.75-3.48/0.01]-S[0.5-30/0.01]
CPSCG4-[22-100/0.01]-F[20-96/0.01]-A[1.5-4/0.01]-W[0.75-3.98/0.01]-S[0.5-30/0.01]
CPSCG4.5-[22-100/0.01]-F[20-96/0.01]-A[1.5-4.5/0.01]-W[0.75-4.48/0.01]-S[0.5-30/0.01]
CPSCG5-[22-150/0.01]-F[20-146/0.01]-A[1.5-5/0.01]-W[0.75-4.98/0.01]-S[0.5-30/0.01]
CPSCG5.5-[22-150/0.01]-F[20-146/0.01]-A[1.5-5.5/0.01]-W[0.75-5.48/0.01]-S[0.5-30/0.01]
CPSCG6-[22-150/0.01]-F[20-146/0.01]-A[2-6/0.01]-W[1-5.98/0.01]-S[0.5-30/0.01]
CPSCG6.5-[22-150/0.01]-F[20-146/0.01]-A[2-6.5/0.01]-W[1-6.48/0.01]-S[0.5-30/0.01]
CPSCG7-[22-150/0.01]-F[20-146/0.01]-A[2-7/0.01]-W[1-6.98/0.01]-S[0.5-30/0.01]
CPSCG8-[22-150/0.01]-F[20-146/0.01]-A[2-8/0.01]-W[1-7.98/0.01]-S[0.5-30/0.01]
CPSCG10-[22-150/0.01]-F[20-146/0.01]-A[2-10/0.01]-W[1-9.98/0.01]-S[0.5-30/0.01]
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSStep (Step shape) Shape (Tip shape) D/P (Shaft diameter)
(mm) 		No. (Nominal diameter)
(mm) 		A (Tip diameter)
(mm) 		C (Tip part)
(mm) 		F (Bearing bore length)
(mm) 		L (L dimension)
(mm) 		R (Tip part)
(mm) 		S (Tip part)
(mm) 		W (Tip part)
(mm)

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F2 ～ 2.492.51.5 ～ 2.49-20 ～ 9622 ～ 100-0.5 ～ 350.75 ～ 2.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F2.5 ～ 2.9931.5 ～ 2.99-20 ～ 9622 ～ 100-0.5 ～ 350.75 ～ 2.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F3 ～ 3.493.51.5 ～ 3.49-20 ～ 9622 ～ 100-0.5 ～ 350.75 ～ 3.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F3.5 ～ 3.9941.5 ～ 3.99-20 ～ 9622 ～ 100-0.5 ～ 350.75 ～ 3.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F4 ～ 4.494.51.5 ～ 4.49-20 ～ 9622 ～ 100-0.5 ～ 350.75 ～ 4.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F4.5 ～ 4.9951.5 ～ 4.99-20 ～ 14622 ～ 150-0.5 ～ 350.75 ～ 4.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F5 ～ 5.495.51.5 ～ 5.49-20 ～ 14622 ～ 150-0.5 ～ 350.75 ～ 5.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F5.5 ～ 5.9962 ～ 5.99-20 ～ 14622 ～ 150-0.5 ～ 351 ～ 5.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F6 ～ 6.496.52 ～ 6.49-20 ～ 14622 ～ 150-0.5 ～ 351 ～ 6.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F6.5 ～ 6.9972 ～ 6.990.1 ～ 120 ～ 14622 ～ 150-0.5 ～ 351 ～ 6.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F7 ～ 7.9982 ～ 7.99-20 ～ 14622 ～ 150-0.5 ～ 351 ～ 7.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F8 ～ 9.99102 ～ 9.99-20 ～ 14622 ～ 150-0.5 ～ 351 ～ 9.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G2 ～ 2.492.51.5 ～ 2.4-20 ～ 9622 ～ 100-0.5 ～ 350.75 ～ 2.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G2.5 ～ 2.9931.5 ～ 2.9-20 ～ 9622 ～ 100-0.5 ～ 350.75 ～ 2.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G3 ～ 3.493.51.5 ～ 3.4-20 ～ 9622 ～ 100-0.5 ～ 350.75 ～ 3.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G3.5 ～ 3.9941.5 ～ 3.9-20 ～ 9622 ～ 100-0.5 ～ 350.75 ～ 3.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G4 ～ 4.494.51.5 ～ 4.4-20 ～ 9622 ～ 100-0.5 ～ 350.75 ～ 4.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G4.5 ～ 4.9951.5 ～ 4.9-20 ～ 14622 ～ 150-0.5 ～ 350.75 ～ 4.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G5 ～ 5.495.51.5 ～ 5.4-20 ～ 14622 ～ 150-0.5 ～ 350.75 ～ 5.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G5.5 ～ 5.9962 ～ 5.9-20 ～ 14622 ～ 150-0.5 ～ 351 ～ 5.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G6 ～ 6.496.52 ～ 6.4-20 ～ 14622 ～ 150-0.5 ～ 351 ～ 6.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G6.5 ～ 6.9972 ～ 6.9-20 ～ 14622 ～ 150-0.5 ～ 351 ～ 6.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G7 ～ 7.9982 ～ 7.9-20 ～ 14622 ～ 150-0.5 ～ 351 ～ 7.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G8 ～ 9.99102 ～ 9.9-20 ～ 14622 ～ 150-0.5 ～ 351 ～ 9.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F2-1.5 ～ 2-20 ～ 9622 ～ 100-0.5 ～ 350.75 ～ 1.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F2.5-1.5 ～ 2.5-20 ～ 9622 ～ 100-0.5 ～ 350.75 ～ 2.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F3-1.5 ～ 3-20 ～ 9622 ～ 100-0.5 ～ 350.75 ～ 2.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F3.5-1.5 ～ 3.5-20 ～ 9622 ～ 100-0.5 ～ 350.75 ～ 3.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F4-1.5 ～ 4-20 ～ 9622 ～ 100-0.5 ～ 350.75 ～ 3.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F4.5-1.5 ～ 4.5-20 ～ 9622 ～ 100-0.5 ～ 350.75 ～ 4.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F5-1.5 ～ 5-20 ～ 14622 ～ 150-0.5 ～ 350.75 ～ 4.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F5.5-1.5 ～ 5.5-20 ～ 14622 ～ 150-0.5 ～ 350.75 ～ 5.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F6-2 ～ 6-20 ～ 14622 ～ 150-0.5 ～ 351 ～ 5.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F6.5-2 ～ 6.5-20 ～ 14622 ～ 150-0.5 ～ 351 ～ 6.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F7-2 ～ 7-20 ～ 14622 ～ 150-0.5 ～ 351 ～ 6.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F8-2 ～ 8-20 ～ 14622 ～ 150-0.5 ～ 351 ～ 7.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)F10-2 ～ 10-20 ～ 14622 ～ 150-0.5 ～ 351 ～ 9.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G2-1.5 ～ 2-20 ～ 9622 ～ 100-0.5 ～ 300.75 ～ 1.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G2.5-1.5 ～ 2.5-20 ～ 9622 ～ 100-0.5 ～ 300.75 ～ 2.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G3-1.5 ～ 3-20 ～ 9622 ～ 100-0.5 ～ 300.75 ～ 2.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G3.5-1.5 ～ 3.5-20 ～ 9622 ～ 100-0.5 ～ 300.75 ～ 3.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G4-1.5 ～ 4-20 ～ 9622 ～ 100-0.5 ～ 300.75 ～ 3.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G4.5-1.5 ～ 4.5-20 ～ 9622 ～ 100-0.5 ～ 300.75 ～ 4.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G5-1.5 ～ 5-20 ～ 14622 ～ 150-0.5 ～ 300.75 ～ 4.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G5.5-1.5 ～ 5.5-20 ～ 14622 ～ 150-0.5 ～ 300.75 ～ 5.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G6-2 ～ 6-20 ～ 14622 ～ 150-0.5 ～ 301 ～ 5.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G6.5-2 ～ 6.5-20 ～ 14622 ～ 150-0.5 ～ 301 ～ 6.48

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G7-2 ～ 7-20 ～ 14622 ～ 150-0.5 ～ 301 ～ 6.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G8-2 ～ 8-20 ～ 14622 ～ 150-0.5 ～ 301 ～ 7.98

-

1 Piece(s) 6 Day(s) or more 10C (for shaft holes)G10-2 ～ 10-20 ～ 14622 ～ 150-0.5 ～ 301 ～ 9.98

Loading...

  1. 1
 

Basic Information

Material SKH51 Shaft diameter tolerance 0/-0.005 L/F dimension tolerance +0.01/0

Configure

Clear All

50 Part Numbers

View Part Numbers

Configure Remaining Specifications
Completed
loading

Specification/Dimensions

  • Shape (Tip shape)

    • F
    • G

    Clear

  • D/P (Shaft diameter)(mm)

    • 2
    • 2.5
    • 3
    • 3.5
    • 4
    • 4.5
    • 5
    • 5.5
    • 6
    • 6.5
    • 7
    • 8
    • 10

     [2-9.99/0.01mm Unit(s)]

    Clear

  • No. (Nominal diameter)(mm)

    • 2.5
    • 3
    • 3.5
    • 4
    • 4.5
    • 5
    • 5.5
    • 6
    • 6.5
    • 7
    • 8
    • 10

    Clear

  • A (Tip diameter)(mm)

     [1.5-10/0.01mm Unit(s)]

    Clear

  • C (Tip part)(mm)

     [0.1-1/0.1mm Unit(s)]

    Clear

  • F (Bearing bore length)(mm)

     [20-146/0.01mm Unit(s)]

    Clear

  • L (L dimension)(mm)

     [22-150/0.01mm Unit(s)]

    Clear

  • R (Tip part)(mm)

     

    Clear

  • S (Tip part)(mm)

     [0.5-35/0.01mm Unit(s)]

    Clear

  • W (Tip part)(mm)

     [0.75-9.98/0.01mm Unit(s)]

    Clear

  • type

    • CPSBBF
    • CPSBBG
    • CPSBCF
    • CPSBCG
    • CPSBDF
    • CPSBDG
    • CPSBEF
    • CPSBEG
    • CPSBF
    • CPSBG
    • CPSCF
    • CPSCG
    • CPSDF
    • CPSDG
    • CPSEF
    • CPSEG

    Clear

  • Step (Step shape)

    • B (for shaft holes)
    • C (for shaft holes)
    • D (for shaft holes)
    • E (for shaft holes)

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • 6 Day(s) or Less

    Clear

Specify Alterations

Tech Support

Mold
Tel：(65) 6733 7211 / FAX：(65) 6733 0211
9:00am - 6:00pm (Monday - Friday)
Technical Inquiry

Payment Method more

About MISUMI

About this Website

Useful Tools

Customer Service

Social Media

MISUMI Contact 9:00 am – 6:00 pm (Mon – Fri), 9:00 am – 3 pm (Sat)

  • Tel: (65) 6733 7211
  • Fax: (65) 6733 0211
Inquiry
Mobile View

Copyright © MISUMI Corporation All Rights Reserved.