Description: 1" hose size 1-1/2" maximum hull thickness Stainless steel outside cover Body made from white nylon This fitting should be used above the waterline Specification: Color: White For 1" ID hose Height: 9cm / 3.54 inch Top diameter 6.6cm / 2.59 inch Bottom diameter 2.5cm / 0.98 inch Package Includes: 1 Piece Plastic Thru-Hull Hose Fitting