Caldwell Beam Flange Clamps are a lightweight and portable design and have rated load capacities from 1 to 10 tons. The left-hand thread and right-hand thread screw spindle allows for rapid clamping and unclamping and the jaw opening adjusts to a wide range of beam types and flange widths. There is a built in suspension pin which provides lower headroom. Complies with ASME standards.
