Use these Adjustable Beam Clamps for attaching chains or lines to beams for dead hanging or guide wires.
Includes two 3/8" x 1" (9.5 mm x 25.4 mm) Grade 5 hex bolts with lock nuts, and a 1/4" (6.35 mm) round pin anchor shackle. 4" - 8" (3/8" throat) or 4"-9" flange (3/4" throat)