IWISS 1/2",3/4",1" ProPEX Expander Tool Kit meets ASTM F1960 for PEX-A Pipe suits Uponor Propex Wirsbo Meet ASTM F1960 Standard Chrome plated for weather and corrosion resistance Comes in a convenient carrying case to hold expander tool and heads Precision engineered Expansion head for accurate expansion of Uponor PEX-a tubing for ProPEX fitting Item includes: 3 expansion heads(1/2,3/4,1), 1 quality lubricant(eco-friendly)