This tool supports both 1/2″ and 3/4″ copper crimp rings, covering most common residential and commercial plumbing applications. Whether you are installing water lines in a home or handling small commercial projects, this single tool can handle both sizes, saving you time and cost.

The IWS‑1234N meets the ASTM F1807 standard for PEX copper ring crimp fittings, fully compliant with international plumbing codes. You can rely on it for secure, leak-free connections in residential, commercial, or industrial installations.

Yes — the convertible jaws can be repositioned to easily access corners, behind cabinets, or other tight areas. This makes it ideal for both home DIY projects and professional plumbing work, where maneuverability is crucial.

The tool is designed to prevent damage — polished jaws and calibrated design minimize the risk of harming copper crimp rings. With proper use, connections remain secure and leak-free. Improper operation could still cause minor damage.

Yes — the tool features a hook on the handle to pre-position rings and even correct slightly deformed ones during crimping. This innovative design improves efficiency and reduces errors, making it perfect for high-volume plumbing jobs or DIY installations.