Description HV69, the one you have been waiting for.25 Tooth 6mm output spline. Details: SKU MKS-HV69 Spline Size 6mm 25 Tooth Dead Band 0.001ms (Default) Control System Pulse Width Control Working Frequence 1520μs / 333Hz Operating Voltage 3.7 ~ 8.2 V DC Volts (for 2S ~ 1S LiPo) Operating Temperature Range -10 to 60 Degree C Operating Speed (4.8V) 0.17 sec/60° degrees at no load Operating Speed (6V) 0.13 sec/60° degrees at no load Operating Speed (7.4V) 0.11 sec/60° degrees at no load Operating Speed (8.4V) 0.10 sec/60° degrees at no load Stall Torque (4.8V) 6.0 kg-cm / 83.3 oz-in Stall Torque (6V) 7.50 kg/cm (104.2 oz/in) Stall Torque (7.4V) 9.2 Kg/cm (127.8 oz/in) Stall Torque (8.4V) 10.2 Kg/cm (141.7 oz/in) Motor Type Coreless Motor Potentiometer Drive Direct Drive Bearing Type 2x Ball bearing Gear Type Metal Alloy Gear Dimensions 29 x 13 x 28.7 mm Weight 21 g