The Mega Tent Beam Clamps opens 5-1/4″ to fasten securely into the Keder track slot in free span tent beams. The 4″ Mega-Tent Beam Clamp engages the Keder track slot on both sides for 4 inchs. 4″ Mega-Tent Beam Clamp has a centered hole for a 5/8 inch shackle, and two drilled and tapped 1/2″inch 13 tpi holes for attaching Mega-Couplers to hold pipe. The 4″ Mega Tent Beam Clamp’s unique design has triple steel shafts, three quarters of an inch thick. The central shaft is threaded with a fine pitch left and right thread and has a captive vise style handle for tightening securely to the tent beam. The central shaft is captured onto the load attachment block ensuring that the load is always centered on the tent beam.