CrimpAll Tool Kit for use with PEX or PERT tubing and copper Crimp Rings. One tool kit allows crimping of multiple sizes of RadiantPEX+. The 15 in. CrimpAll Kit has four crimping jaws: 3/8 in., 1/2 in., 5/8 in., and 3/4 in. The larger 19 in. CrimpAll Kit gives more leverage for crimping 1 in. and 1-1/4 in. PEX and fittings. The kit includes the CrimpAll tool, interchangeable jaws, a go/no-go crimp gauge, and adjustment tools.