This is the HS-5085MG Mighty Micro Servo from Hitec with Universal Connector. Connector is compatible with all modern receivers and wiring accessories. FEATURES: Lightweight and small; ideal for small planes, gliders, electric heli and 1/16, 1/18 cars Metal gears Aluminum output gear Shock protected POT INCLUDES: One HS-5085MG mighty micro servo Two screws, grommets and eyelets Two servo arms and one wheel SPECS: L: 29mm x W: 13mm x H: 30mm (1.14" x 0.51" x 1.18") Transit: 0.17 sec/60° (4.8V) 0.13 sec/60° (6.0V) Torque @ 4.8V: 3.6 kg-cm, (50.0 oz-in) @ 6.0V: 4.3 kg-cm, (59.71 oz-in) Weight: 21.9g (0.77oz) COMMENTS: The following replacement parts are available; Gear Set, HRCM6388 Horn Set, HRCM6326 cnh 6/19/08 ir/jxs