The PEXGUN PG-101X is a fast, lightweight, and economical installation tool that automatically ties wire to PEX pipe and rebar wire mesh in less than one second! Suitable for up to 1" PEX pipe. The NEW PEXGUN PG-101X is the latest and greatest version of the PEXGUN! The PEXGUN PG-101X is powered by an 18V Lithium-Ion battery, giving you 5000 ties per charge.