Feature:1. Good Machining: These RC motor pinion gears feature good machining that allows the gears roll smoothly.2. Rustproof Material: These 48P pinion gears adopt rustproof powder metallurgy, which ensures good wear resistance and long service life.3. 23T 25T 27T 29T: These 48P motor pinion gears in 23T 25T 27T 29T give you more choices for your RC car.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: 23T, 25T, 27T, 29TRadial Pitch: 48PInner Hole Shaft Diameter: 3.175mm23T Size: 13 x 9mm / 0.51 x 0.35in25T Size: 14 x 9mm / 0.55 x 0.35in27T Size: 15 x 9mm / 0.59 x 0.35in29T Size: 16 x 9mm / 0.63 x 0.35inApplication: Suitable for 1/10 Remote Control Model Car 3.175mm Shaft Brushed Brushless Motor.Package List:4 xRC Motor Pinion Gear4 x Rice Screw1 x WrenchNote:1. Manual measurement, 1 to 3mm error may exist, thank you!2. Due to differences between different monitors, the picture may not reflect the actual color of the project.