Size: 3/8 inside diameter x 7/8 inch length

and the pictures do not lie

- Complete Kit: Includes all necessary bracketry to attach the switch to your frame rail and brake rod

This non-vented cap works with the left side gas tanks on H-D Big Twins 1965-1972

This bracket allows easy relocation of your license plate and accepts both the 28 and 33 style tail lights

Grimeca Master Cylinder Brake Light Switch Temp Sale Size: 3/8 inside diameter xThis brake light switch is designed specifically to work with Kustom Tech Grimeca handlebar master cylinders. It is a direct fit to the master cylinder body without any modification. Threads measure 1 4" 32 . Note: There are no returns on carburetors, electrical items, full frames, hardtails or made to order items (such as magnetos) unless there is a manufacturers defect.