Beam Clamp Beam Clamp Type Purlin Clamp with Swivel Beam Mount Location Bottom Clamp Length 3.25 in Clamp Material Steel Clamp Material Finish Electro-Galvanized Clamp Width 3.25 in For Beam Shape/Type C-Purlin For Threaded Rod Size 1/4 in Load Capacity 200 lb Series PHSW Standards cUL Listed UL Listed