This 3/8 in. PEX Expander Head features automatic rotating capability for even expansion. Get enhanced durability and corrosion resistance with chrome coating and black zinc plating. It is backward compatible with Milwaukee ProPEX® Heads and color coded for easy size identification.Automatic rotating head capability for even expansion Backward Compatible with Milwaukee ProPEX® Heads. Chrome coating and black zinc plating for durability and corrosion resistance Etched measurements and color coded bands for quick size identification Size: 8796620000000 Application:Expanding PEX tubing categoryName:Pipe Pressing\, Expansion & Cleaning (9490) Item Weight:0.4 Length:2.5 originCountry:CN Volume:0.013"