Made of high-strength alloy steel and with M4 screws to prevent slipping High precision steel gear 0.8 metric pitch, compatible with 32-pitch Suitable for 1/10 Traxxas Slash 4x4 Stampede 4x4 VXL Rustler 4X4 E-Revo T-Maxx Suitable for motors with 5mm shaft diameter, 3660 3670 3674 4274 4268 series motors, not suitable for 3650 motors Specification: Item: 32P Steel Metal Gear Screw: M4 Inner diameter: 5.0mm Colour:Black Material:Metal Package Contents: 1 x 54T gear 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.