OZ-Gedney Type THR Pipe Strap, Steel, Finish: Zinc Plated, Mounting Holes O.C: 2-15/16 IN, 1/4 IN Mounting Hole Width, 2 Holes, 23/32 IN Width, Length: 3-5/8 IN, Trade Size: 1-1/4 IN, Third Party Certification: CSA 104691, Applicable Third Party Standards: CSA C22.2 No.18, Federal Specification FF-S-760, For Supporting Rigid Conduit And IMC