The Sharkbite Deburr And Gauge Tool Is A Tool Designed For Use With Copper, Pex, Cpvc Or Pe-Rt Pipe. This Tool Also Accurately Measures Insertion Depth For Sharkbite Push-To-Connect Fittings (1/4 Inch Up To 1 Inch) As Well As Deburring With A Simple Rotation Of The Tool Once The Pipe Is Inserted.