Item Type: Pinion Gear_x000D_Material: Aluminium alloy_x000D_Module Size: 0. 6M_x000D_Hole Diameter: Approx. 3. 175mm/0. 13in_x000D_Fitment:_x000D_Universal for 1/8 1/10 RC Climbing Car_x000D__x000D_For SCX10 1Suitable Scene: Pinion gear is universal for 1/8 1/10 RC Climbing Car. For example, it is suitable for SCX10. Please confirm whether your model is applicable before buying. 2Stable and Reliable: The shaft pinion gear can improve the stability and maneuverability of the remote control car to avoid uncontrollable situations. 3Accuracy Machining: RC pinion gear has accuracy machining to ensure accurate and well matched gears, avoiding jams and poor meshing between gears. 4Advanced Material: Pinion motor gear is made of high grade aluminium alloy, which is hardness, not easy to deform, sturdy and durable and has a long service life. 5Easy to Use: The pinion gear set is designed to be easy to install and use, which is convenient and practical for newcomers and professionals.