The Jorgensen 6-in medium duty steel bar clamp offers a sliding head making it a fast-acting, easy-to-open and close clamp. With an easy-grip handle and 3/4-in diameter plated steel swivel, this clamp can be tightened or loosened to meet your exact pressure needs. The multiple-disc-clutch design allows the sliding head to hold securely at any point along the bar. Each clamp has a 2-1/2-in reach and a 600 lb load limit. The clamps are plated to be rust-resistant. The iron casings have an orange baked enamel finish. These clamps are designed for use by dyers, hobbyists, carpenters, cabinet makers, woodworkers, metalworkers and professional trades people of all types.
- Maximum opening capacity is 6-in 
- Maximum reach is 2-1/2-in from edge of bar to center line of screw 
- Maximum load limit is 600-lbs