Patioer 50pcs Spring Steel Beam Clamps 1/4″-20 Metal Beam Hangers Bolt on Clamp
1/4″-20 threading fits for 1/4″ and 3/8″ bolts, s-hooks & bridle rings. Beam flanges up to 1/2″ thick. Adjustable tension adapts to diverse tasks. Proven in critical installations, such as theatre lighting rigs, factory conveyor systems, fire sprinkler mounts, electrical conduit supports, HVAC/pneumatic line anchoring, etc.