You are Buying a brand New And Factory Sealed Apollo 3/4 in. Stainless Steel PEX-B Barb Pro Pinch Clamp Pro Pack (100-Pack) Model # PXPRO34100JR ApolloPEX fasteners can be can be used with brass and plastic fittings, valves, and manifolds (all sold separately). 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. Constructed of corrosion resistant stainless steel Available in 1/2 in. and 3/4 in. sizes Innovative design aligns fastener in proper position and prevents slippage during installation 1-pinch clamp tool is available to secure all pinch clamps, regardless of size For use with PEX brass or poly-alloy fittings Meets ASTM F2098.