{"product_id":"pex-copper-ring-crimping-tool-kit-dual-jaw-1-2-and-3-4-in","title":"PEX Copper Ring Crimping Tool Kit - Dual Jaw 1\/2 and 3\/4 in","description":"\u003cp\u003eOur review of the IWISS iCrimp PEX crimping tool kit finds it best suited to DIYers and plumbers who need a reliable, compact crimper for 1\/2 in and 3\/4 in PEX work. The single biggest reason to buy is the built-in dual jaw with a Go\/No-Go gauge that arrives factory calibrated to the ASTM F-1807 standard, which saves time on setup and gives confidence that each copper ring crimp meets the expected size tolerance.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Dual Jaw:\u003c\/strong\u003e The integrated 1\/2 in and 3\/4 in polished jaw lets the user switch sizes without changing heads, keeping workflow fast and simple.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGo\/No-Go Gauge:\u003c\/strong\u003e The included gauge and instructions allow quick verification of crimps so you can confirm connections are within F-1807 tolerances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Calibrated:\u003c\/strong\u003e Delivered calibrated to meet the ASTM F-1807 standard, reducing the need for immediate adjustments before first use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Works with common copper crimp rings and brass or poly crimp fittings from major brands, so parts sourcing is straightforward.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth Actuation:\u003c\/strong\u003e The smooth mechanism requires minimal force for secure compressions, making repetitive crimping less fatiguing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Steel Construction:\u003c\/strong\u003e Durable materials and solid build quality stand up to regular jobsite use and give a sense of long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis tool is ideal for homeowners doing PEX plumbing projects and professional plumbers who want a compact, two-size solution without carrying multiple head adapters. The built-in gauge and factory calibration are particularly useful for users who value consistent, code-compliant crimps right away.\u003c\/p\u003e\n\u003cp\u003eThose who need crimps for uncommon sizes or who prefer a tool with interchangeable jaws for many specialty fittings might look elsewhere; this kit focuses on the two most common residential sizes, 1\/2 in and 3\/4 in.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuality construction provides dependable performance and long service life.\u003c\/li\u003e\n\u003cli\u003eComes with a Go\/No-Go gauge and instructions so new users can verify and calibrate crimps.\u003c\/li\u003e\n\u003cli\u003eWorks with widely used copper crimp rings and common PEX tubing brands, simplifying parts compatibility.\u003c\/li\u003e\n\u003cli\u003eSmooth action reduces hand strain during repetitive work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLimited to 1\/2 in and 3\/4 in crimp rings, so it does not cover less common PEX sizes without a different tool.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eIWS-1234PS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJaw Sizes\u003c\/td\u003e\n\u003ctd\u003eBuilt-in 1\/2 in and 3\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003eFactory calibrated to meet ASTM F-1807\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Rings\u003c\/td\u003e\n\u003ctd\u003eCopper crimp rings (Sioux Chief, Watts, Nibco, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Tubing\u003c\/td\u003e\n\u003ctd\u003eAll types of PEX and PE-RT tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterials\u003c\/td\u003e\n\u003ctd\u003eHardened steel construction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eCrimp tool, Go\/No-Go gauge, instruction manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe IWISS iCrimp dual jaw PEX crimper is a practical, value-minded choice for most residential plumbing work thanks to its built-in 1\/2 in and 3\/4 in jaws, factory calibration, and verification gauge. It delivers reliable crimps with a smooth action and solid build, making it a good buy for homeowners and professionals who need a compact, ready-to-use crimper for the two most common PEX sizes.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the tool need calibration before first use?\u003c\/strong\u003e\u003cbr\u003eNo, it arrives factory calibrated to meet ASTM F-1807, though the manual explains how to check and recalibrate if desired.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich crimp rings will work with this tool?\u003c\/strong\u003e\u003cbr\u003eIt works with common copper crimp rings from major brands such as Sioux Chief, Watts, and Nibco as well as compatible brass and poly crimp fittings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it crimp sizes other than 1\/2 in and 3\/4 in?\u003c\/strong\u003e\u003cbr\u003eThe tool is designed specifically for 1\/2 in and 3\/4 in copper crimp rings and does not support other sizes without a different crimper.\u003c\/p\u003e","brand":"IWISS","offers":[{"title":"Default Title","offer_id":48231406698715,"sku":"B07Q9YBN4J","price":42.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61L37twqOjL._AC_SL1500.jpg?v=1770752860","url":"https:\/\/gearmusthave.com\/products\/pex-copper-ring-crimping-tool-kit-dual-jaw-1-2-and-3-4-in","provider":"GearMustHave","version":"1.0","type":"link"}