Perko 1-1/8" Thru-Hull Fitting f/ Hose Bronze Made in the USA - 035006ADPPPerko 1 1 8" Thru Hull Fitting f Hose Bronze Made in the USA 035006ADPP Perko 1 1 8" Thru Hull Connection f use with Hose 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 versons Regular Length Fits maximum hull thickness up to 2 inches Short Length For thin hull sections up to 5 8 inches maximum Regular Length