Construction: Oval Deck Pipe is made of high-quality marine-grade 316 stainless steel cast for Chain and Rope 5 5/8" x 4". Dimensions: Marine city 316 stainless steel castings are integrally formed the metal extends below the deck. Lower hole size: Length 4.07" (103.45mm) x Width 2.73" (69.41mm) x Depth 0.77" (19.48mm); 4-3/8*3” Cut out Size: 5-5/8*4 Base. Easy Use: It allows a large thimble to pass thru Chain Oval Deck Pipe and slot accommodate up to 1/2 x 1 1/2" chain, remaining in place when cover is closed. Functional: Oval chain deck pipe facilitates the storage of anchor chain/line below decks, out of the way, reducing the risk of trip hazard on deck is closed, the cover is hinged and spring-loaded eliminating rattling when in the closed position. Package contents: 1 pc MARINE CITY 316 Stainless Steel Spring Chain Oval Deck Pipe.