ITEM NAME:Replacement grinding arc-toothed bevel pinion ring gear set metal gear D1T5 Replacement grinding arc-toothed bevel pinion ring gear set metal gear D1T5 The helical bevel gear is made of metal, they are useful when the direction of rotation of a shaft must be changed. Good replacement for angle grinder broken gear. Non-OEM product. Product name: spiral bevel gear Material: metal Ring wheel size: 45.5 x 14 mm / 1.79 inchx 0.55 inch (diameter * Max.D) Fit for shaft diameter: 11.5 mm / 0.45 inch Pinion Gear Size: 16 x 13mm / 0.63 inchx 0.51 inch (Diameter * Max.D) Fit for pinion shaft diameter: 8 mm / 0.31 inch Color: as picture show Weight: 85g Package Contents: 1 x spiral bevel gear set Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm.