IBEAM72 provides 72" of clamping width. All lengths of Bessey IBeam clamps provide up to 7000 lbs. of clamping force and include the following standard specifications: 2" throat depth; 1-3/4" jaw width; 1-3/8" bar width; and 7/16" bar thickness. Steel, nickel-plated IBeam design provides exceptional strength over large distances without bending or twisting. Cast iron sliding clamp jaw contains 5 clutch plates that allow it to move smoothly along the rail, while still holding its position under pressure. Fixed end jaw has a 3/4" acme-threaded screw and large, easy-to-grip handle for quickly setting the clamp jaws while providing control over the pressure being applied.