Perko Thru-Hull Fitting f/ Hose Bronze Made in the USA 1-1/2". 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 - Plain Bronze Technical Information: Hose Size Inches: 1-1/2 Mounting Hole Diameter Inches: 1-7/8 Maximum Hull Thickness Inches: 1-7/8 O.D. Flange Inches: 3-1/8 Model Number: 0350008DPP Ship Weight: 8.3/15.9 lbs. Specifications for Perko 1-1/2" Thru-Hull Fitting f/ Hose Bronze: Manufacturer: Perko Color: Black Package Contents: Perko 1-1/2" Thru-Hull Fitting f/ Hose Bronze Perko 0350008DPP: Thru-Hull Fitting f/ Hose Bronze Made in the USA 1-1/2"