Taylor BC500 Window Beam Clamp 3 1/2" x 3 1/2" Zinc plated steel For attaching 1 5/8" x 1 5/8" strut channel to I-beams Strut channel fits through the window in the clamp
Taylor 407Z-38 3/8" Wide Mouth Top Beam Clamp #310 Recommended for use under roof installations with bar joist type construction, or for attachment to top flange of structural shapes.