177143 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 40.7 x 19.7 x 43 mm Connecting line: 280 mm Material: ABS plastic Operating Speed : 0.20sec / 60 degrees (4.8V not load) and 0.17sec/60degree (6v not load) Stall Torque : 10.5 kg/cm (180.5 oz/in) at 4.8V and 13 kg/cm (208.3oz/in) at 6V 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