About this itemKIT-1960DE is a 24-piece PEX-a tubing expansion tool kit in a during carrying case, allows you to make secure connections to PEX-a pipes with expansion fittings in sizes 1/2"", 3/4"" and 1"". Handy PEX expander tool kit saves time and money.Innovative ratcheting PEX expander tool provides a lightweight tool body and labor-saving expansion.Auto rotation expansion heads are compatible with Uponor Wirsbo ProPEX, Sioux Chief PowerPEX, Zurn and Apollo expansion fittings. Maximize durability and corrosion resistance with chrome coating and zinc plating. They are compatible with Propex and color coded for easy size identification.1/2"" and 3/4"" expansion sleeves are approved for cold and hot water supply lines, radiant heating and potable water systems. NSF certified for qualified PEX-a expansion connections.Meets ASTM F1960 Standards.