For use with RIDGID® Compact Press Tools (100-B, 200-B, 210-B, 240, 241).Increased speed and reliability with PEX tubing connections.In 4 sizes: 1/2", 3/4", 1", and 1 1/4".Eliminates user fatigue, perfect for larger sizes of PEX tubing where manual tools can require a great deal of force.Increased versatility of RIDGID Compact 100-B, 200-B and 210-B Pressing Tools. Same 100-B, 200-B and 210-B tool used to join copper tubing (with different pressing jaws).Pressing jaws never require calibration unlike manual crimp tools.