Expand pex type-a tubing from 3/8 in. To 1 in. With the 20V MAX* cordless 1 in. Pex expander, the fastest pex expander on the market*. An automatic rotating head helps to ensure even expansion. The bright onboard LED work light and full-trigger actuation make it an excellent tool in dimly lit, tight spaces. Carry this tool conveniently around the jobsite with a dual-sided hang hook and belt hook. Rubber over-mold on the handle provides an ergonomic grip to keep you comfortable all day. This tool