Description: Item includes: 4 expansion heads(3/8,1/2,3/4,1-inch), 1 quality lubricant(eco-friendly). Precision engineered Expansion head for accurate expansion of PEX-a tubing for ProPEX fitting. Chrome plated for weather and corrosion resistance. Comes in a convenient carrying case to hold expander tool and heads. Feature: High performance,reliable quality. We work with every effort to provide quality products and professional service. .