Gates PolarSeal Portable Crimper is designed for crimping air conditioning assemblies by hand or impact wrench. The PolarSeal Portable Crimper has capability to crimp PolarSeal G45 and G47 couplings and is intended for use with PolarSeal I and PolarSeal II refrigerant hose. Dies included with the crimper have capability to crimp -6, -8, -10, and -12 PolarSeal I and PolarSeal II assemblies.