1、CNC Shell: The CNC all metal aluminum case is durable and can be adapted to a variety of environments, having good performance for long service life. 2、High Performance: 8.4V high voltage digital steering gear, high torque, high performance, able to improve the overall performance of your RC car after installation. 3、Double Ball Bearing: Has double ball bearing with high accuracy, stable performance and strong anti interference ability, also has high speed response and working efficiency. 4、Powerful Tool: Hollow cup motor can offer high speed response, powerful efficiency and low power consumption, providing a satisfying using experience. 5、Package Content: The package contains only a RC servo and its mounting accessories, RC model itself need to be prepared by yourself, please make sure you are clear about this. Item Type: RC Servo Material: Plastic + Aluminum Alloy + Electronic Components + Stainless Steel Color: As Picture Shown Application: for Robots, RC Vehicles Gross Weight: Approx.135g/4.8oz Output Gear: 25T Torque(6V): 38.5kg-Cm Torque(8.4V): 42.3kg-Cm Limit Angle: 180° Bearing Type: Ball Bearing X 2 Speed: 0.28sec/60° (6V), 0.21sec/60° (8.4V) Motor Type: Hollow Cup Gear Type: Metal Operating Temperature: -25 ℃ ~70 ℃ Operating Frequency: 1500 μ sec/50-330hz 1 x Steering Servo 5 x Plastic Arm 1 x Aluminum Alloy Arm 8 x Screw 4 x Rubber Sleeve 4 x Aluminum Alloy Sleeve 1 x Manual 1 x Storage Case