lustiness 15” Quick-Change Multi-Jaw Pex Crimp-All Tool Kit w/ Plastic Case Description: 33 A% 4% This PEX Press Kit Includes: Tough plastic case, 15" PEX Crimp tool, Interchangeable dies & crimp gauge. The tool has the ability to press 3/8" 1/2", 5/8", 3/4", and 1" Copper Crimp Rings. The patented design makes die installation and releasing easily done in just seconds. There is no additional tool needed for tool calibrations.