Wheeler-Rex introduces a line of crimping tools specifically designed to help install better connections on PEX potable water or radiant heating systems. The full circle crimp eliminates the unsightly appearance of tool marks and distortion of crimped rings. A Combination Pex Ring Crimper for ½" and ¾". Crimps conform to ASTM specifications and is supplied with a go / no-go gauge. Complete with a soft, comfortable grip and long handles for extra leverage.