A new, low profile servo designed for aircraft wing installations where space is at a premium. Particularly well suited to gliders. Twin ball races & metal gears ensure durability under load. Specification Weight: 56g Dimensions: 40.5 x 21 x 26.5mm Speed: 0.10 sec/60° (4.8v) Torque: 4.7 Kg/cm (4.8v) Manufacturer: Ripmax Model: SDX-851 Digital Servo (P-SWDSDX851)