The original bessey lever clamps are lightweight easy to handle dimensionally stable and torsion resistant and the best thing is they can clamp up to 5 x faster than conventional clamps this is because they use the natural force of the lever meaning that with just a small amount of effort they can quickly produce large clamping pressures this is particularly valuable in situations where many clamps have to be applied in a short time with no risk of loosening due to vibrations try it ou