This is the HS-85MG+ Mighty Micro Servo from Hitec with Universal Futaba J, Hitec S, JR and Airtronics Z Connector. Connector is compatible with all modern receivers and wiring accessories. FEATURES: Lightweight and small; ideal for sailplane or weight-sensitive applications Metal gears Aluminum output gear Shock protected POT INCLUDES: One HS-85MG+S metal gear 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: 0.16 sec/60° (4.8V) 0.14 sec/60° (6.0V) Torque @ 4.8V: 3.0 kg-cm, (41.66 oz-in) @ 6.0V: 3.5 kg-cm, (48.6 oz-in) Weight: 21.9g (0.77oz) BBS 1/23/00 ir/jl updt jxs 2/14/06