Features:- 36" x 2" (915 x 50mm) belt 7" (178mm) diameter disc 3 1/2" (89mm) diameter rubber contact wheel 5 1/2" (140mm) diameter drive wheel Suits most popular 6" or 8" bench grinders with a screw mounted wheel guard and a minimum of 1/3 HP Suits grinder shaft sizes of 5/8" and 1/2". A steel bush is supplied to adapt the drive wheel to 1/2" Fitting Kit supplied.,Features:- 36" x 2" (915 x 50mm) belt 7" (178mm) diameter disc 3 1/2" (89mm) diameter rubber