DS3218MG 20KG High Torque Metal Steering Gear Waterproof Digital Servo RC Car UK

Model: DS3218MG. 1 DS3218MG Digital Servo. Stall Torque (5V): 19 kg/cm (263.8oz/in). Stall Torque (6.8V): 21.5 kg/cm (298.5 oz/in). Gear Type: Copper & Aluminum. Size: 40.5 40 20mm. CE Certification: Yes.

eBay