Feature:1. Rustproof Steel: These RC motor pinion gears adopt rustproof powder metallurgy material, which is wear resistant and corrosion resistant.2. Roll Smoothly: These 48P pinion gears features good machining that make them roll smoothly.3. 14T 16T 18T: You will receive 14T, 16T and 18T 48P motor pinion gears, providing you with more choices.4. Easy Installation: With the rice screws included in the package, these RC pinion gears can be easily installed.5. For 1/10 RC Car: These RC motor pinion gears are suitable for 1/10 RC car 3.175mm brushless motor.Specification:Item Type: RC Motor Pinion GearMaterial: Powder MetallurgyGear T Number: 14T, 16T, 18TRadial Pitch: 48PInner Hole Shaft Diameter: 3.175mm14T Size: 8.5 x 9mm / 0.33 x 0.35in16T Size: 10 x 9mm / 0.39 x 0.35in18T Size: 10 x 9mm / 0.39 x 0.35inApplication: Suitable for 1/10 Remote Control Model Car 3.175mm Shaft Brushless Brushless Motor.Package List:3 xRC Motor Pinion Gear3 x Rice Screw1 x WrenchNote:1. Manual measurement, 1 to 3mm error allowed, thank you!2. Due to differences between different monitors, the picture may not reflect the actual color of the project.