About this itemPEX Clamp Tool Kit: ICP-PC02KIT is a universal plumbing tool kit which contains one clamp cinch tool, 1/2’’ clamps(20 pack), 3/4’’ clamps(10 pack). It’s used in combination with PEX cinch clamps of corresponding sizes to connect PEX pipe to crimp style brass or poly PEX fittings.Cinch & Remove: ICP-PC02 is a value-added PEX clamp tool. It is a combination of traditional PEX clamp cinch tool and clamp cutting tool. It has two fixed jaws and does not need to change between modes. Clamps 3/8-in, 1/2-in, 5/8-in, 3/4-in and 1-in stainless-steel PEX clamp rings onto PEX tubing. Cuts 3/8’’ to 1’’ clamps from brass or poly crimp barbed fittings to reuse or replace PEX fittings.PEX Clamp Rings: 1/2’’ & 3/4’’ PEX clamps included are made of corrosion resistant stainless steel. Step-less design promises 360°watertight sealing and meet ASTM F2098 requirements. Prevent mis-crimps and slip-offs as well as hold fast under the worst conditions. Ideal for fast and secure PEX plumbing connections but also have numerous alternate uses.ASTM F2098 Standard: Complies with ASTM F2098 Stainless Steel clamps for use with ASTM F1807 or F2159 insert fittings and ASTM F876 PEX tubing.Applications: PEX clamp pinch tool kit is perfect for the DIY homeowner or the professional looking for the perfect way to get started with PEX plumbing. It is suitable for making copper crimp ring connections in potable water lines, radiant heat, snow melt, ice rink systems and among other applications.