48P Hardened Steel Upgrade Pinion Gear Set: 19T 20T 21T 22T 23T fit 3.175mm (1/8-Inch) RC Motor Shaft (Work with Steel Spur Gear) for RC Cars, Set of 5

【48 Pitch】Make sure your spur gear have the same pitch to work with, 【Hardened Steel】This pinion gear set is made of hardened steel, it will work with the steel spur gear. NOT work with plastic or aluminum spur gear, 【5 Sizes】Come with 19T 20T 21T 22T 23T standard gears to meet your variety of requirements, 【Inner Diameter:3.175mm】3.175mm (1/8 inch), suitable for 1/10 Scale RC Vehicle Plane Boat 3.175mm Motor Shaft, compatible with 1/10 Traxxas Axial HSP Redcat RC Car, 【What You Will Get】Package Included: 5 Pieces Pinion Gears, 5 Pieces Grub Screws and 1 Piece L Allen Wrench