Easy Adjustable - Maximum overall length is 6-1/2”, lock up range from 5 to 6-1/2 inches long; Clamping force is quite stable and reliable. 3 Heavy Duty Compositions - These quick release toggle clamp consists of a flange base plate for installing the toggle clamp firmly, adjustable pressure tip for flexible clamping, and ergonomic ribbed-plastic handle for safe and comfortable operation. Soild Materials - Made of zinc-plated, cold-rolled carbon steel that resists corrosion, be used for a longer time. Ideal for Clamping Jig - Ideal for welding, moulding, jointer jig for table saws, cabinet cases or router tables, fixtures, assemblies and movable bases.