176711 100% brand new and high quality. It is long lasting and easy to install. Best of all， buy it without hesitation! Color: Black Size: about 40.5 x 39.5 x 19.5 mm Connecting line: 280 mm Material: ABS plastic Operating Speed : 0.17sec / 60 degrees (4.8V no load) Operating Speed : 0.13sec / 60 degrees (6.0V no load) Stall Torque : 9 kg/cm (180.5 oz/in) at 4.8V Stall Torque : 12 kg/cm (208.3 oz/in) at 6V Working Voltage : 4.8 - 7.2Volts Each servo is attached with 4 different servo arms. 1 x Servo 5 x Screw 4 x Servo arm 4 x Fixed ring 4 x Metal fixed part