Size: 40, Motor Mounting Position: L (Left), Motor: Step Motor (Servo 24 VDC), Lead Screw: B (Size 16: 5mm, Size 25: 6mm, Size 32/40: 8mm), Stroke: 100mm, Motor Option: C (w/Motor Cover), Rod End Thread: M (Male), Mounting: Both Ends Tapped (Standard), Actuator Cable: R (Robotic Flexible Cable), Actuator Cable Length: 5 (5m)