Black & Decker™ Screw is designed for G950C type 1 grinder, G950 type 1 grinder, FS8500AG firestorm 8.5 A 4 1/2" angle grinder, QP650B type 1 4 1/2" angle grinder, 11651 type 2 4 1/2" small angle grinder and Porter Cable PC750AG type 1 7.5 A small angle grinder.