Name6v25kg-cm digital servo; Size :a40.2mm b20.1mm c38.8mm d48.0mm e10mm; weight:57.5g â±0.2(1.46oz); Gear type:titanium gear; Speed:0.16sec/60⺠at (6v) 0.18sec/60â° at (4.8v) Torque:(347.2 oz-in)25kg.Cm.At(6v) (291.7 oz-in)21kg.Cm.At(4.8v) Features:waterproof; plastic case, resist heat and corrosion; aluminium middle hull, easy to eliminate heat;adopt high quality coreless motor. -