King Combination hose nipple,also as KC nipple King Combination Nipples,also knowns as KC nipples, are versatilemeans of transitioning from hose to pipe,adapters,valves or strainers.Available with grooved end or with blank beveled end for weldingPlated steel prevents rust and weatheringMaterial:steel,stainless,brass,aluminumSize from 1/2" to 12" Hose mender