4PCS JX PDI-6221MG Servo 20KG 360 180120 Degree High Torque Digital Servo for RC Models Helicopter Spare Parts

Features: Set of 4 High performance 20KG high torque digital standard steering gear High precision gear made in Taiwan CNC aluminum inner shell Double ball bearing   PDI-6221MG detailed specifications: Dead zone: 2μs Maximum pulse width: 900-2100us (suitable for remote control) Maximum angle: 120°/180°/360° Motor: iron core Working voltage: DC4.8V-6.6V Speed (4.8V): 0.18 sec/60° Speed (6V): 0.16 sec/60° Torque (4.8V): 17.25 kg.cm Torque (6V): 20.32 kg.cm Size: 40.5mmX20.2mmX40mm Weight: 62 g Cable: JR 265 mm Bearing: 2BB Output teeth: 25T (Futaba universal) Includes steering gear kit, one-word, half-section, cross, *-type, disc, related screws