DEWALT PEX Expander heads are available in 1", 1/2", 3/8", 3/4" and 5/8". They feature automatic rotating capability for even expansion. Maximize durability and corrosion resistance with chrome coating and black zinc plating. They are backward compatible with Milwaukee ProPEX Heads and color coded for easy size identification. (Milwaukee is a registered trademark of Milwaukee Electric Tool Corp.ProPEX is a registered trademark of Uponor Oyj.)Features Etched measurements and color coded bands for quick size identification Automatic rotating head capability for even expansion Chrome coating and black zinc plating for durability and corrosion resistance Backward Compatible with Milwaukee ProPEX Heads (Milwaukee is a registered trademark of Milwaukee Electric Tool Corp.ProPEX is a registered trademark of Uponor Oyj.) Includes1X DEWALT 1/2" Pex Expander Head Voltage: 20 V Length: 2.50 in Width: 2.25 in Height: 3.91 in Weight: 0.400 lbs Size: 1/2 in Material Coating: Chrome, Black Zinc Plating Battery Required: Yes Battery Included: No Number of Batteries Required: 1 Cordless vs. Corded: Cordless Country of Origin: China