Parker® 77 series fittings are cost effective, permanent, bite the wire style fittings made for easy and quick assembly using our family of parkrimp crimpers. The fitting series when coupled with Parker® no-skive hose provides convenience and shorter assembly time. The 77 series fittings are compatible with constant working pressure hoses. The 77 series fittings are available in sizes from 1/4 to 2 in in a wide variety of end configurations.