TPI CK20M Polyurethane K-Type Pipe Clamp Probe with Sub-Miniature Plug, -58 to 482 Degree F, 39-25/64" Lead Length, 1/4" Nominal Jaw Opening Pipe clamp probe with sub-miniature plug Temperature range: -58 to 482 degree F 25/32" Maximum jaw opening Made of polyurethane Measures 25/32" maximum jaw opening by 1/4" nominal jaw opening and 39-25/64" lead length