Description: Short thread design is more compact, which allows installation near corners and in confined areas Thick steel sidewalls can stand continuous stress and hose flexing Professional marine grade cast solid 316 stainless steel Strong corrosion resistance and durable in saltwater circumstance High polished head side for mirror-like appearance and to match modern watercraft/boat/yacht Specification: Material: 316 stainless steel Color: Silver Head/Flange Outer Diameter: Approx. 3.7 cm/1.46 inch Hole Inner Diameter: Approx. 1.6 cm/0.63 inch Height: Approx. 6 cm/2.36 inch Hose Barb Outside Diameter: Approx. 2 cm/0.79 inch Package Includes: 1 Piece Thru Hull Fitting/Drain Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!