Size: 40, Motor Mounting Position: Top, Motor: Step Motor (Servo 24 VDC), Lead Screw: C (Size 16: 2.5mm, Size 25: 3mm, Size 32/40: 4mm), Stroke: 50mm, Motor Option: B (w/Lock), Rod End Thread: Female, Mounting: D (Double Clevis), Actuator Cable: S (Standard Cable), Actuator Cable Length: 5 (5m)