Specification 100% good condition and new Commutation: Brush Voltage: 21V Torque: 1N.m Output Power: 60W No load Speed: 29800RPM Type: Micro Motor Model Number: RS550 Material: Coil copper wire Motor length: 75.1mm Motor diameter: 37.2mm Motor shaft length: 12mm Motor shaft diameter: 3.2mm Motor gear diameter: 8.2mm Motor gear thickness: 6.8mm Motor installation hole distance: 25mm Feature: Pure copper coil, high power motor. Good heat dissipation performance, high efficiency, low current, stable operation. The best replacement for damaged DC gear motors or rust on machines. Suitable for electric chain saws, reciprocating saws, chainsaws, rechargeable hand saws, etc. Stainless steel material, copper core, precise mold. Note: - Generally speaking, the gear of 14-tooth power tool motor has two diameters, 9.5mm or 8.2mm, our product is 8.2mm, please confirm your original motor diameter before purchase. Package Included 1 x 8.2MM Gear 14 Teeth DC Motor Notice: Because of the light irradiation or computer display difference, please understand we can't guarantee photos and real color is 100% same.