uxcell 3500 RPM 12V High Torque Cylinder Magnetic Electric Mini DC Motor Product Name : DC Motor;Rated Voltage : DC 12V;Speed : 3500 +/-10% RPM Mounting Screw Hole Diameter : 3.5mm/0.1";Screw Hole Center Distance : 30mm/1/2" Knurled Shaft Size : 5 x 11mm/ 0.2" x 0.4"(D*L);Body Size : 44 x 66mm/ 1.7" x 2.6" (D*H) Main Color : Silver Tone;Material : Metal Net Weight : 341g;Package : 1 x DC Motor