Savox std size digital servo metal gear 16kg@6v plus larger-standard size digital servo with large torque and featuring strong metal gears. Ideal for wheel steering on a crawler, 1/8th scale buggy and 50 size airplane features precision made metal gears totally green ■from material to production, our servos are environmentally friendly. Specifications dimensions: 40. 7 x 20 x 42. 4mm weight: 61g** speed (sec/60â°): 0. 18 torque(kg-cm/oz-in): 16. 0/222. 1 gear: metal case: plastic **weight listed does not include wires or horns. Savox plus / ""+"" models: feature a new soft start mode and sanwa ssr compatibility. (sav-sc0251mg)