Protection Shield, Finish Pre-Galvanized, For Insulation Outside Diameter 7.6 in, Insulation Thickness Range 1 1/2 in to 2 in, Material Steel, Maximum Operating Temperature 150 Degrees F, Minimum Operating Temperature -32 Degrees F, Mount Type Clevis Hanger, Overall Length 12 in, For Pipe Size 2 1/2 in to 4 in, Standards ANSI/MSS SP-69, Federal Specification A-A-1192A, Type 40, MSS SP-58, Type 40, WW-H-171-E, Type 41, Application Outside of Foam or Fiber Glass Insulation