National Lock C8010 can accept padlocks with shackle up to 3/8" in diameter (5/16" shackle is recommended). APPLICATION: For cabinet doors or drawers, lockers, and anywhere padlocks are used. For overlay application, the combined thickness of the front and frame cannot exceed the cylinder length. OPERATION: Choice of either 90° clockwise or counterclockwise using rotation stop. FINISH: Matte Black PACKAGING: Supplied with FlexaCam spacers, mounting plate for wood installation, one cam, detent washer, one rotation stop, and mounting hardware. Padlock NOT included.