... GWS 6-100MaterialMetalRing Gear Size45 x 18mm/ 1.77" x 0.7"(Dia*Max.T)Fit for Shaft Diameter11.5mm/ 0.45" ... Pinion Gear Size16.5 x 14mm/ 0.65" x 0.55"(Dia*Max.T)Fit for Pinion Shaft ... "ColorGrayWeight105gPackage Content1 x Spiral Bevel Gear Set1. Armature,stator for Bosch,Makita,Hitachi,Dewalt,Maktec,kenyang, Hilti,LG,RYOBI ... to contact us. Replacement Bevel Gear 2 Pcs Set for Bosch GWS 6-100