This is a three pack (12, 13, 14 tooth) of 32 Pitch Steel Pinion Gears from Novak. FEATURES: Designed to mesh with the Novak HV series of brushless motors (#3524-3527) and other brushless motors with a 5mm output shaft These shafts with the HV series of brushless motors can be used to power monster trucks including Traxxas E-Maxx, HPI E-Savage and Kyosho Twin Force Nickel plated to resist corrosion and designed with ultra precise concentricity to prevent wobbling Each gear stamped with number of teeth for easy identification INCLUDES: One each 12 tooth, 13 tooth and 14 tooth pinion gears and three 4x4mm set screws REQUIRES: Installing on motor shaft and tightening set screw jxs 1/20/09 ir/jxs