This 13/16" crimping die is designed for crimping 1/2" ID hoses x 7/8" OD hoses. Crimps ferrules on hoses from 1/4" single braid to 3/8" two braid hoses. Made of high strength ductile iron casting, this hose crimping tool has 5 hardened steel ribbed dies ready for instant use. Can be bench mounted or used as a portable tool.