Compatible with large models. Full metal gear. All-mighty high-torque programmable servo with a full metal case. Weight: 96 grams 7.4V Torque: 37.5 kg/cm Speed: 0.15 sec/60° 6.6V Torque: 32.0 kg/cm Speed: 0.16 sec/60° Retail price was 26,000 yen each. This is a set of 2. Thank you.