Crimping Clamp Cinch Tool and Pipe Hose Cutter for Stainless Steel Clamps from 3/8"to 1" with 1/2-inch 20PCS and 3/4-inch 10PCS Features: 1. This clamping tool is universal and can be used with any ASTM F2098 stainless steel clamping from any manufacturer. 2. It is factory adjusted and supports direct use. 3. The ear clip is specially designed to eliminate the step and/or overlap the clamp on the inner circumference of the 360° leak-free seal. 4. Because the design of this ring is so compact, it is perfect for use in tight Spaces - including those that normal curling tools would not normally achieve. 5. Installation method: use PEX clamping tool or PEX clamping tool, which can clamp 1-inch PEX Please note: These clamps feature a grip that makes it easier to tighten without the tool falling off the fixture. For that reason, it also makes it a little tight.