Feature: 1. High efficiency during operation, low noise, low power consumption, easy to install and disassemble, simple to use. 2. Metal gear can withstand higher loads and ensure the normal operation of the servo. 3. High accuracy CNC stainless steel gears, sturdy and durable, can be used for a long time. 4. Digital steering gear is made of high quality materials, suitable for 1:8 1:10RC remote control car/boat, etc. 5. Suitable for cars, airplanes, ships, large drones, robots and various RC vehicles or DIY projects. Specification: Item Type: Servo Motors Material: Aluminum Alloy, Plastic Colour: Black Size: Approx. 55 x 38 x 20mm / 2.2 x 1.5 x 0.8in(Without Cable) Working Voltage: 4.8-6.8V Working Speed (6.0V): 0.15 Seconds / 60 Degrees Working Speed (7.4V): 0.13 Seconds / 60 Degrees Stall Torsion (6.0V): 21kg/cm Stall Torsion (7.4V): 25kg/cm Application: 1:8 1:10RC Remote Control Car/Boat, Etc.. Package List: 1 x Servo Motor5 x Plastic Servo Motor Arm1 x Metal Servo Motors Arm7 x Screws4 x Screw Barrel4 x Rubber Pad