Adjustable Screw Jack. Vertical Screw Jack for height setting. Adjustable screw jacks are manufactured from low carbon steel with a black gloss finish. The adjustable screws are knurled to improve grip for easy adjustment. Where there is greater height setting required, an extended base can be
Vertical Screw Jack for height setting. Adjustable screw jacks are manufactured from low carbon steel with a black gloss finish. The adjustable screws are knurled to improve grip for easy adjustment. Where there is greater height setting required, an extended base can be purchased separately. For uneven surfaces, a V section or spherical pad can be added.