Robotic & Radio Control Toys
CNC Aluminum Shell 55KG Metal Gear Waterproof Digital Coreless Servo Magnetic Sensor High Torque for 1/8 1/10 Crawler RC Car RC Boat Robot (Control Angle 180°)
High Torque Servo: DSC55MG 55KG 180/270 degree (optional) HV coreless metal gear waterproof digital servo. High Precision Magnetic Encoder Sensor: High-precision metal gears with hard anodizing. 14bit digital high precision magnetic encoding angle...
https://www.bizrate.co.uk/robotic_radiocontroltoys/cnc-aluminum-shell-55kg-metal-oid40477388636.html