Size: 40, Motor Mounting Position: Top, Motor: Step Motor (Servo 24 VDC), Lead Screw: B (Size 16: 5mm, Size 25: 6mm, Size 32/40: 8mm), Stroke: 250mm, Motor Option: B (w/Lock), Rod End Thread: Female, Mounting: Both Ends Tapped (Standard), Actuator Cable: R (Robotic Flexible Cable), Actuator Cable Length: 5 (5m)