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Beam Clamp for professional aerial and acrobatic rigging!
0.750 inch High Strength Malleable Iron Steel Finish I-Beam Clamp Dottie Beam and Purlin Clips (BK14M) at Main Electric Supply
Engineered Steel I-Beam Connectors and Steelwork Fasteners | Simplified Building
Fig. 60G 1/4" Beam Clamp - Empire Industries
I-Beam Clamp Mounting Bars - Strong Poles
Amazon.com: I-Beam Heavy Bag Hanger; Steel Beam Clamp for Heavy Bag. Suitable for I-beams with Bottom Width 2.5" 6.3cm~7.5" 19cm; Can Withstand 450 Lbs of Gravity : Sports & Outdoors
Amazon.com: O-Ring Attachment For I-Beam;Stainless C Clamp With O-Ring;Beam Clamp With O-Ring, Metal Clamp Hook.That Can Withstand 50 Pounds Of Static Gravity (6Pack)