https://www.techtronic.site/25kg-digital-servo-full-metal-gear-high-torque-waterproof-for-1-8-and-1-10-scale-crawlertruckbuggyrobots-extra-give-1pc-25t-adjustable-metal-servo-armsbe-spared-or-replacedcontrol-angle-270/
25KG Digital Servo Full Metal Gear High Torque Waterproof for 1/8 and 1/10 Scale Crawler,Truck,Buggy,Robots.Extra give 1pc 25T Adjustable Metal Servo Arms,be spared or Replaced(Control Angle 270°)