This Schumacher Racing Products pinion gear is machined from hard alloy metal and features a long boss design that provides extended shaft engagement for a secure, stable fit. It is cut to 48 pitch with 33 teeth, making it a direct factory replacement for Schumacher 1:12 platform builds. A set screw secures the pinion to the motor shaft. The 48DP tooth count and pitch must match your spur gear setup for proper meshing. Features: 48 pitch, 33 tooth configuration Long boss design for extended shaft engagement Hard alloy metal construction Set screw shaft retention 7/7/26 cs