4pcs Mod 1 Pinion Gear 5mm Set Hardened 19T 20T 21T 22T M1 Pitch Gears RC Upgrade Part with Screwdriver

This is hardened steel 19 20 21 22 tooth, Mod 1 pitch pinion gear for motors with a 5mm shaftFEATURESCNC machined- Hardened steel to increased wear resistance and improve fatigue lifeNitrided to enhanced hardness corrosion resistanceSPECIFICATIONS: Tooth count: 19 20 21 22Tooth pitch: Mod 1Tooth face width: 7mmlength: 14mmFor shaft: 5mmPACKAGE INCLUDE:4x Pinion gear(19 20 21 22T)4x M4x4mm set screw1x 2mm hex wrench