Savox waterproof digital servo 46kg/0. 14s@7. 4v this waterproof, steel-geared sw1212sg+ servo is perfect for monster truck and most crawler applications where a slightly taller servo can be fitted. Precision steel gears, massive torque and waterproof to ip67 standards. Spec check: dimension: 40. 6 x 20. 7 x 46. 1mm weight: 83g speed (sec/60°): @6. 0v 0. 17, @7. 4v 0. 14 torque (kg/cm): @6. 0v 36, @7. 4v 46 gears: steel bearing: 2bb case: part metal spline: 25t savox plus / ""+"" models: feature a new soft start mode and sanwa ssr compatibility. (sav-sw1212sg)