DEWALT Cordless PEX Expansion Tool DCE400D1 20V MAX Tube Expander Kit (3 8 to 1 Inch Type A Automatic Rotating Head Plumber Pipe Fitting System) PEX Expander it eliminates dynamic pressure leaks it eliminates dynamic pressure leaks and line separation across high volume dewatering runs and lubrication systems for a complete high efficiency metal drilling solution PEX Expansion Head Product Type Expansion Tool Kit Model Number DCE400D1 Voltage 20V MAX Power Source Cordless Battery Compatible Tubing Material PEX A Only Expansion Capacity 3 8 Inch to 1 Inch Included Head Sizes 1 2 Inch and 3 4 Inch Maximum Working Temperature 210°F Minimum Working Temperature 1°F Common Application Potable Water Systems Safety Listing UL Listed Federal Lead Guidelines Compliant Tool Weight 3