The SharkBite PEX crimp tool kit allows you to make a secure connection to PEX with copper crimp rings in sizes 3/8 In., 1/2 In., 3/4 In., and 1 In. (copper crimp rings sold separately). The kit includes a 1 In. PEX crimp tool and three dies for 3/8 In., 1/2 In., and 3/4 In. copper crimp rings, these dies can be changed without any special tools. The kit also includes a go/no-go gauge for gauging crimps. The tool is factory calibrated and all crimps conform to the ASTM F-1807 standard. Works with 3/8-in, 1/2-in, 3/4-in, and 1-in PEX copper crimp rings Lightweight composite handles reduce fatigue No tools needed to change between dies 10 Times more crimps between calibrations Go/no-go gauge and instructions included Meets ASTM F-1807 standard Made in USA Color/Finish Family: Multiple colors/finishes Manufacturer Color/Finish: Black and blue Sub Type: PEX crimp tool Type: Pipe & Fitting Accessory Size: 3/8-in, 1/2-in, 3/4-in, 1-in Weight (lbs.): 3.81 Code Approvals: ASTM f-1807 Common Use: Potable water Material: Stainless steel Maximum Working Pressure (PSI): 0 Maximum Working Temperature (Fahrenheit): 200 Minimum Working Temperature (Fahrenheit): 33 Package Quantity: 1 PEX Type: PEX-A/PEX-B/PEX-C CA Residents: Prop 65 Warning(s): No Complies with Federal Lead Guidelines: No Safety Listing: Not safety listed Warranty: 1-year limited UNSPSC: 26121600