Empire Industries 1/2" Black Jr. Top Beam Clamp

1/2" Black Jr. Top Beam Clamp Material: Ductile Iron with Hardened Steel Set Screw Finish: Plain (Black) Service: Designed to attach hanger rod to the top flange of a beam or bar joist where flange thickness does not exceed 5/8 of an inch. Approvals: U.L. - U.L.C. listed 3/8 and 1/2 (1/2 for 4” IPS max). FM approved for 3/8 only. Complies with Federal Specification A-A-1192 A (Type# 19) and Manufacturers' Standardization Society MSS SP-58 and SP-69 (Type# 19).