New Stud Bar (with knock)

[Features]
· A connector can be mounted to the knockouts on the back of the box.
· Lean prevention bar comes in 4 mm and easy-to-bend 3 mm diameter types (excluding notched and adhesive types).
· A glued (with adhesive) type is a type where an adhesive is melted using a torch, etc. and then affixed to a box.
· Types with knockouts (no 3 minute start) can be mounted even for boxes with heat-insulating covers or boxes with heat-insulating sheets attached (those with knockouts on back cannot be used).