Perko Thru-Hull Fitting f/Hose Bronze MADE IN THE USA 1". 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 - Plain Bronze: Hose Size Inches: 1 Mounting Hole Diameter Inches: 1-5/16" Maximum Hull Thickness Inches: 1-3/4" O.D. Flange Inches: 2-1/4" Model Number: 0350006DPP Ship Weight: 4.7/8.6 lbs. Specifications for Perko 1" Thru-Hull Fitting f/Hose Bronze: Manufacturer: Perko Color: Black Features of Perko 1" Thru-Hull Fitting f/Hose Bronze Plain cast bronze Hose size: 1" Max hull thickness: 1-3/4" Built with quality materials Package Contents: Perko 1" Thru-Hull Fitting f/Hose Bronze Perko 0350006DPP: Thru-Hull Fitting f/Hose Bronze MADE IN THE USA 1"