ITEM NAME:32DP 3.175mm 9T 10T 11T 12T 13T 14T 15T Pinion Motor Gear for 1:10 RC Cars - 10T img *{margin:0;padding:0;.1 Piece 32DP 3.175mm Steel Motor Gear. Tooth: 10T available for choose. 10T: 9.6mm. Suitable for 3.175mm shaft 1/10 rc car motor. Precision CNC machined solid #45 steel material, rigid and durable.