Clamp beams, struts & more using Discount Strut Accessories Electro-Galvanized All Purpose Beam Clamps. Provides for hnaging rod directly below set screw. A 20 degree swivel is possible using a 1/4" or 3/8" rod. Alternate use provides 1/4", 3/8" or 1/2" rod to be extended from the top to the bottom of the clamp on the end opposite the set screw. 1/4" flat washer must be used with 1/4" rod. The electro-galvanized coating is best for indoor, dry settings.