This malleable iron casted beam clamp is designed to be structurally attached to the lower flange of metal beams or purlins with 45º flanges up to 2", and 90º flanges up to 1 1/2". Features a hardened point set screw and locknut. FM approved and UL listed thru 4" pipe size. Plain Finish. Also available in other materials/finishes: Electro-Galvanized and Hot Dip Galvanized.