Feature 1Features an o-ring for positive sealing 2Fine threads maintain sealing under high vibration condition 3Retention system keeps plug from getting lost when removed 4Stops water infiltration and is used to drain the water out of the inner hull of your boat 5Ideal for boat transoms, fish wells, ice chests and moreSpecification Description: Material: PP Color: Black Press board size: Approx 5.6*3.1*1.4cm / 2.2*1.2*0.6 inch Outside diameter of scupper plug: Approx 2.6cm / 1 inch Length of scupper plug: Approx 5.7 cm / 2.2 inch Function: Stops water infiltration and is used to drain the water out of the inner hull of your boat Features: Features an o-ring for positive sealing Fine threads maintain sealing under high vibration conditions Retention system keeps plug from getting lost when removed Ideal for boat transoms, fish wells, ice chests and more Package Included: 2 x Drain plug 4 x Screws .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }