Crimp tools for PEX tube: 1.we are factory 2.OEM service 3.sound quality 4.accurate size and ... CRIMP TOOLS Application:1. Crimping the copper ring with PEXCaliber:dia. 1/4",3/8",1/2",3/4",1",1 1/4", 1 1/2", 2" ... Length:15.4"Weight:1.7kg/pcMeasurement & Package39 ... crimp tools for PEX tube sizing 1/4",3/8",1/2",3/4",1",1 1/4", 1 1/2", 2"