IWISS iCrimp PEX Crimp Tool Kit – ASTM F1807, 1 inch to 3/4 inch Jaws, Free Gauge & PEX Cutter

Overview of the IWISS iCrimp PEX Crimp Tool Kit

The IWISS iCrimp PEX Crimp Tool Kit is a compact, versatile solution designed for connecting PEX pipe to brass or poly fittings using copper crimp rings. It covers 3/8, 1/2, 3/4, and 1-inch sizes with a scalable jaw system, and it ships with a free gauge and a PEX pipe cutter for added convenience. Built to meet the ASTM F1807 standard, this kit emphasizes portability without sacrificing crimping precision.

What makes it fit for real-world projects

Whether you’re upgrading a bathroom remodel, installing under-sink lines, or extending a radiant loop, this kit offers a balanced blend of control, compactness, and reliability. The tools are designed to be easy to handle in tight spaces while maintaining a consistent crimping pressure to form solid, repeatable connections. The included gauge helps verify the correct ring size before finalizing a crimp.

Key features at a glance

• Meets ASTM F1807 standard for copper crimp rings and PEX connections
• Jaws available in 1 inch, 1/2 inch, 3/8 inch, and 3/4 inch for flexible fitting options
• Newly designed to be smaller and lighter while preserving crimping performance
• Comfort grips reduce user fatigue during longer sessions
• Includes: 1 inch crimper, 1/2, 3/8, 3/4 inch jaws, gauge, and spanner

Included extras for smoother installation

• A free PEX pipe cutter to prep clean, square cuts
• A gauge to confirm ring size and fit

How to use this kit (quick guide)

• Cut the PEX pipe cleanly with the included cutter.
• Slide the copper crimp ring over the pipe end and insert into the fitting.
• Choose the correct jaw for the pipe size and align the ring with the ferrule.
• Apply a steady crimp until the tool completes the cycle and the ring seats.
• Check the size with the gauge to ensure a proper fit before testing the line.

Real-world considerations

The kit is designed for on-site versatility, from compact crawl spaces to larger work areas. Its lightweight design makes travel and on-site transport easier, while the robust build supports repeated use in residential plumbing tasks. It offers a practical option for DIY enthusiasts and professionals alike, presenting potential improvements in workflow and consistency without promising guaranteed outcomes.