Name8.5v16kg-cm digital servo; Size :a40.2mm b20.1mm c38.8mm d48.0mm e10mm; weight:56g �0.21.46oz); Gear type:titanium gear; Speed:0.14sec/60� at (7.4v) 0.12sec/60� at (8.5v) Torque:(205.5 oz-in)14.8kg.Cm.At(7.4v) (234.7 oz-in)16.9kg.Cm.At(8.5v) Digital servos features: support high voltage;waterproof; plastic case, resist heat and corrosion; aluminium middle hull, easy to eliminate heat;adopt high quality coreless motor. - -