This Micro analog servo is a great general-purpose micro servo at a great price. Servo horns and associated hardware are included. Specification Modulation: Analog Torque: 4.8V: 18.1 oz-in (1.30 kg-cm) 6.0V: 13.9 oz-in (1.00 kg-cm) Speed: 4.8V: 0.11 sec/60° 6.0V: 0.08 sec/60° Weight: 0.28 oz (8.0 g) Dimensions: Length:0.90 in (22.9 mm) Width:0.46 in (11.7 mm) Height:1.04 in (26.4 mm) Gear Type: Plastic Rotation/Support: Bushing