' Split Ring Hanger, Stand Off, Pipe Size (In.) 2-1/2, Rod Size 1/2 In., Max. Load (Lb.) 300, Material of Construction Cast Iron, Length (In.) 3-3/4, Width (In.) 5/8, Thread Size (In.) 1/2, Metal Detectable Yes, Recommended for The Suspension of Stationary Non-Insulated Pipe Lines, Standards Conforms with Federal Specification WW-H-171 (Type 25), Manufacturers StAndardization Society (MSS) SP-58 (Type 12) '