Pipe Stud Insulator; Item Stud Insulator; Type Split; Designated Size 1/2 Inch CTS and 3/4 Inch CTS; Material ABS Plastic; Finish Black; Used On Item Pipe; Grommet Diameter 1.339 Inch; Temperature Rating 160 Deg F (Continuous); Fits 1-11/32 Inch Hole in Metal Stud or Bracket; Applicable Standard IAMPO, CUPC