Size: 40, Motor Mounting Position: L (Left), Motor: Step Motor (Servo 24 VDC), Lead Screw: C (Size 16: 2.5mm, Size 25: 3mm, Size 32/40: 4mm), Stroke: 100mm, Motor Option: B (w/Lock), Rod End Thread: Female, Mounting: D (Double Clevis), Actuator Cable: R (Robotic Flexible Cable), Actuator Cable Length: A (10m), Controller Type - LEC, JXC: 6N (LECA6, NPN, Step Data Input Type), I/O Cable Length