ITEM NAME:Heavy Duty 1-1/4" Boat Deck Drain Fitting 90 Deg 316 Stainless Steel for Marine Description: Marine grade 316 stainless steel Mirror polished, corrosion resistance and durable Surface Diameter: Approx. 75mm / 2.95 inch Hose Outside Diameter: Approx. 31mm / 1.22 inch Mount Diameter: Approx. 60mm / 2.36 inch Screw Hole Diameter: Approx. 3mm / 0.12 inch Package Includes: 1 Piece Boat Deck Drain Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks! SKU: DMO0000006466003984.Marine grade 316 stainless steel. 1 Piece Boat Deck Drain. Color may be slightly different since different monitor. People always bought together with.