HXT900, one of the most famous and the best value micro servos available.Used by tens of thousands of hobbyiests world wide. The HXT900 is the #1 trusted low cost 9g servo.Features: Plastic Bushing 25cm wire Coreless motor Servo arms screw includedSpecs:Size : 21x12x22 mm / 0.74x0.42x0.78 inVoltage : 3v ~ 6vWeight: 9g / 0.39ozSpeed : 0.12 sec/60(4.8V)Torque : 1.6kg-cmWorking Temp : -30C~60C Gears: Nylon White typeWARNINGSimilar looking servos can be found on eBay and other asian sellers, however be warned, they do not contain Taiwan/Japan components. HexTronik (the manufacturers of these servos) have two standards, one is for local sale, and the other is export quality with imported connectors and resin gears from Taiwan and Japan.Our HXT500 and HXT900 are export only, and not built for the domestic market. You will not find the same quality servo for less, anywhere!