SJM2.5 Machine Heavy Duty Screw Jack
SJM5 Machine Design Screw Jack
SJM10/15 Machine Power Screw Jack
SJM20 Machine Manual Screw Jack
SJM25 Machine Sluice Gates Screw Jack
SJM35 Machine Screw Jack Mechanism
SJM50 Machine Motorised Screw Jack
SJM100 Machine Safety Nut Screw Jack
SJM120 Machine Screw Jack
