Through Holes Screw Jack featuring a compact and versatile cubic housing. They are high quality engineering products for precise lifting, lowering and pivoting of loads, and are, under normal operation, maintenance free. Self locking lifting screw, precise positioning, and uniform speed. Available in 6 sizes from JTH10 to JTH200. Static load capacity from 10 kN to 200 kN. Lifting screw diameter from 22 mm to 70 mm. Standard lifting screw maximum length 6000 mm, custom longer stroke. Upright or Inverted mounting. Available in tension or compression loads. Translating, Keyed for non-rotating, and Rotating designs.