Attwood Flush Cleat 4-1/2", Counter-Sunk 

Recesses flush to the deck for a clean, contemporary look. Stud mount. Cleat recesses into cast body, and is captured with lubricated seals. Durable, cast 316 Stainless Steel construction and simple design assures long-life and dependable operation.
Easy Installation. 1/8" stamped backing plate, for decks thicker than 1/2", is standard on all models.
Size: 4-1/2" L x 2" W, Mount: 4-hole , Fastener: #10