Ferreterro versatile jaws designed to mount on a wide range of tappered or flat beams. Ferreterro Beam Clamps are made with high strength Alloy Steel. Each clamp is proof load tested 2 times of working load limit. Company name with logo (Ferreterro), working load limit (WLL) and jaw opening all are mentioned in the clamps. Individual serial number and test certificate of proof load is provided with the clamps. Maintenance replacement parts are available. ISO 9001 certified.