Product details:

1. 2. The enclosed lead screw and sliding surfare harden and ground. 3. Highest clamping power. Its very accurate and durable. 4. This Vise is so designed that the horizontal force generated by tightening the handle pushes the semi-sphere within the movable jaw and thus thrusts the movable jaw downward. The workpldoes not move up, even if it is held at the top of the jaw plates. Four setting positions of the jaw plates are available, widening the jaw plates opening. Model - 15986 Jaw Width - 4. 92" Jaw Opening 4. 92" Jaw Height - 1. 57" Base Height - 1. 75" W x 10. 5" H.,Hardware Tools,HFS