Description: 100% Brand new and high quality High torque and powerful, durable in use Suitable for car models, boat models and tank models, also a great choose for you to DIY a micro hand drill Weight: approx. 91g/0.2lb Material: Metal Specification: Rated voltage: 3-12V Speed parameters: 3V---2200RPM; 0.12A current; 0.65A turn blocking 6V---4500RPM; 0.15A current; 0.91A turn blocking 12V---9000RPM; 0.21A current; 2.5A turn blocking Size Chart: Total length: approx. 50mm Diameter: approx. 27.5mm Step diameter: approx. 10mm Step height: approx. 3mm Shaft length: approx. 24mm Shaft diameter: approx. 2.3mm Fixed hole: M2.5 Mounting hole distance: approx. 16mm Package Includes: 1 Piece 390 Electric Motor