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Girder clamps or beam clamps are mechanisms used to attach hoists into exposed structural beams in the facility. They consist of two jaws and a screw handle that controls the jaw opening of the clamp. Their jaws are designed to clasp the flange of a beam to serve as a stationary attachment point for lifting and suspending devices such as chain hoists or lever hoists. Girder clamps are available in various load capacities and are commonly used in manufacturing, engineering, and warehousing operations.