The sg-0351 is a standard digital servo with dual bearing support for increased precision and durability. ""plus"" series servos feature soft start and sanwa ssr compatibility. Features: industrial plastic gears provide smooth and quiet operation. Higher value standard servo with dual ball bearing support. Specifications: torque @ 4. 8v - 3. 2kg/44. 4oz-in torque @ 6v - 4. 1kg/56. 9oz-in speed @ 4. 8v - 0. 22 sec/60 deg speed @ 6v - 0. 17 sec/60 deg dimensions l x w x h (mm): 40. 7 x 20. 0 x 37. 0 weight: 41. 0g (sav-sg0351)