1、Fine Workmanship: Made of high quality aluminum alloy, the gear surface has received hard anodic oxidation and rust prevention treatment, having good performance for long service life. 2、Easy to Use: The gear is made of accurate external milling machine, good machining makes the gear roll smoothly. Come with fixed screw hole, easy to install, easy to operate, equipped with M3 set screws in a package. 3、Well Made: The gear is treated with hard anodic oxidation, and its surface is treated with rust prevention, suitable for long term use. 4、Application Scope: Ideal replacement for the old or damaged original part, suitable for 1/10 remote control car 3.175mm brushless motor axle 5、Rich Content: Provide 2 kinds of pinion with different number of teeth, let you have more choices in transmission ratio, let your remote control car better performance. Item Type: RC Motor Pinion Gear Material: Aluminum Alloy Application: for 1/10 RC Car 3.175mm Brushless Motor Axle Height: Approx.14mm/0.55in Weight: Approx.9g/0.3oz Radial Spacing: 32P Pitch: 0.8M 2 x Motor Pinion Gear 2 x Set Screw