3/8 in Elgen EG0815N2 Unistrut Nut w/ Spring for 1 5/8 in Strut
1 5/8 in x 7 1/4 in Elgen Electro-Galvanized 4 Hole Splice Plate
1/2 in Elgen EG0815N2 Unistrut Nut w/ Spring for 1 5/8 in Strut
5 in x 3 1/4 in Gregory G-STRUT Electro-Galvanized U-Bolt Beam Clamp for Double Channel