Features 1、High Quality Material: Adopting high accuracy aluminum alloy gear with hard anodized, sturdy and durable, long service life. 2、Good Performance: High efficiency during operation, low noise, low power consumption, easy to install and disassemble. 3、Withstand Higher Loads: The metal gear can withstand higher loads and ensure the normal operation of the servo. 4、Applicable Modes: 2 sets 20KG digital servo, high torque, compatible with1/8, 1/10 remote control car. 5、Size and Weight: Digital servo size is 40x20x40.5mm/1.6x0.8x1.6in, and weight is 68.5g/2.4oz. Item Type: 20KG Servo Material: Aluminum Alloy + Plastic Color: Red Size: Approx. 40 x 20 x 40.5mm/1.6 x 0.8 x 1.6in Working Voltage: 4.8 ~ 6.8V Working Frequency: 50-333Hz Dead Zone: 3us Working Angle: 180° Servo Weight: Approx. 68.5g/2.4oz Application: 1/10 1/8 Remote Control Car Package List 2 x Servo 8 x Plastic Servo Arm 2 x Metal Servo Arm 14 x Screw 8 x Anti Slip Sleeve 8 x Rubber Pad