Split Ring Hanger, Pipe Size 3/4 In, Rod Size 3/8 In, Max Load 180 Lb, Material of Construction Black Malleable Iron, For Suspending Stationary Non-Insulated Pipe Lines, Includes Bolt And Nut, Standards Conforms With Federal Specification WW-H-171 (Type 25), Manufacturers Standardization Society (MSS) SP-58 And SP-69 (Type 12) Split Ring HangersUse for suspending stationary, noninsulated pipelines. Allow for piping runs close to ceiling or walls. Bolt and rivet are carbon steel. Meet Federal Specifications WW-H-171 (Type 25), MSS SP-58 and SP-69 (Type 12).