Product Specifications: Type: Digital Torque: 416.6 oz-in (30 kg-cm) @ 4.8V; 514.5 oz-in (37 kg-cm) @ 6V Speed: 0.19 sec/60 deg @ 4.8V; 0.14 sec/60 deg @ 6V Bushing Or Bearing: Bearing Bearing: Dual Connector Type: JR Gear Type: Metal Voltage: 4.8V to 6.0V Dimensions: Length: 2.59 in (65.8 mm) Width: 1.18 in (30.0 mm) Height: 2.26 in (57.4 mm) Weight: 5.40 oz (153.1 mm) Contents: Servo Single-sided servoarm 52mm 4 sided servoarm 60mm Servo disk 40mm diameter Mounting screws Rubber grommets Guide sleeves