TThe ApolloPEX 1/2 in. to 3/4 in. PEX Pipe Cutter and Pinch Clamp Tool with Pinch Clamps Kit is a great value for the installation of PEX Pipe, a cross-linked polyethylene tubing system designed for use within potable water piping systems. The PEX cutter is simple to use and the most economical tool available to cut PEX pipe. The Pinch Clamp Tool is compatible with 3 sizes of stainless steel crimp rings. Two sizes of pinch clamps, 1/2 in. and 3/4 in., come in convenient resealable jars. The ApolloPEX system is a comprehensive piping system comprised of brass fittings, poly alloy fittings, manifolds, valves, fasteners, tools and tubing designed for implementation in water delivery systems, simple or complex.