This is our new low cost, but extremely DC Gear Motor.Specification:No-load Speed: 22RPM at 12 Volts;kg.cm: 10Power: 7.2W;No-load Current: 0.15A;Load Current: 0.6A;Reduction rate: 1: 244D Shaft Size: 15mm x 5.9mm/0.59 x 0.23 inches (L*D);Gearbox Size: 29mm x 37mm/ 1.14 x 1.46 inches (L*D);Motor Size: 33mm x 35.5mm/1.3 x 1.4 inches (L*D);Mounting Hole Size: M3 (not included).