uxcell 400-3500RPM 3-12V High Torque Cylinder Electric Mini DC Motor Product Name : DC Motor;Rated Voltage : DC 3-12V;Speed : 400-3500RPM Mounting Screw Hole Diameter : 2mm/0.08";Screw Hole Center Distance : 22mm/0.9" Shaft Size(Each) : 2 x 8mm/ 0.08" x 0.31"(D*L);Body Size : 32 x 19mm/ 1.3" x 0.7" (D*H) Main Color : Silver Tone;Material : Metal Net Weight : 40g;Package : 1 x DC Motor