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 maximum
Technical Information Regular Length - Chrome Plated Bronze: