Very suitable for DIY engines, robot models, small robots, electronic door locks, electronic DIY toy cars. specification: 1. Model: N20. 2. Material: metal. 3. Speed: 60RPM. 4. Rated voltage: DC 3V. 5. Shaft diameter: 3 mm. 6.Total length: 37 mm. 7. Motor size: 17 x 12 mm (length x thickness). 8.Cylinder size: 10 mm x 3 mm (length x thickness). 9. Mounting hole screws: M1.6*0.3mm(D*L). 【Feature】: Mini metal gear wheel motor with excellent stall characteristics It is an excellent alternative to rusty or damaged DC gear motors on machines. Have our worry-free 90-daywarranty. Buy Konig Incident Graphite Machined Wheel (16x7"/4x100mm Aazon.co: 6V 150RP icro DC Gear Speed Reduction otor with Full... Dc 6v 12v N20 Gear Motor Mini Micro Reduction Motor Metal Gearwheel Electric Mot Fine workmanship, durable, not easy to wear, light weight, high torque, low speed. 【Package Includes】2 x Speed Reduction Motor. 12v Dc Motor Dc 6v 200rpm Reduction Gearbox Slow Speed Electric Gear Motor With Gearwheel Dc N20 Motor 【Function】: metal gear wheel motor: Shaft type: D type; Shaft diameter: 3 mm; Shaft length: 9.3 mm With two terminals, Rated Voltage: DC 3V, Current: 25-45MA, Speed: 30RPM. to easily mount a wheel on the motor's output shaft or copter blade. The long shaft has a diameter of 3 mm and two terminals. product description: Size: 60RPM Features: It is an excellent alternative to rusty or damaged DC gear motors on machines. [Worry-free Warranty]: Here, we provide a 90-day money-back no-risk purchase guarantee, Guarantee high quality and good service.