Replacing the HS-5965MG, the premium high speed HS-7965MG Digital Standard Servo has the added benefit of the G2 second generation programmable digital circuit. This circuit has twice the resolution of original circuit while adding programmable overload protection. The technology doesn't stop at the circuit board, with high performance coreless motors, dual ball bearings, bushing supported gear shafts and our Heavy Duty Metal gear train the HS-7965MG will give you everything you need no matter what the demand. SPECS: Length: 1.57" Width: 0.78" Height: 1.45" Weight: 2.18 ounces Torque: 111 oz/in at 4.8V; 139 oz/in at 6V Speed: 0.13sec/60deg at 4.8V with no load; 0.10sec/60deg at 6V with no load Bearing Type: Dual Ball Bearing Gear Type: Metal Motor Type: Coreless