Perko 3/4" Thru-Hull Fitting f/ Hose Chrome Plated Bronze MADE IN THE USA - 0350005DPCPerko 3 4" Thru Hull Fitting f Hose Chrome Plated Bronze MADE IN THE USA 0350005DPC Perko 3 4" Thru Hull Connection f use with Hose Chrome Plated Bronze Flange is machined to fit and grooved to retain bedding compound neck is threaded to approximately 3 16 inch from flange. Cast bronze, plain or chromed brass Regular or short length versions Regular Length Fits maximum hull thickness up to 2 inches Short Length For thin hull sections up to 5 8 inches