Sargent 9253 SCP 3/8-Inch to 1-Inch PEX Three-Handled Clamp Pincer Tool Patent pending third handle increases mechanical advantage and makes PEX plumbing jobs quicker and easier Effective for all size stainless steel clamps: 3/8-Inch, 1/2-Inch, 3/4-Inch and 1-Inch Tool calibration gage (9250 G) is included for consistent, watertight connections Connections conform to ASTM F-2098 standards Ratchet mechanism for ease of use and consistent sealing