SHENGHUISS Pull Up Cleat Boat Dock Deck Stainless Steel 316 Flush Mount Retractable Low-Profile Mooring Rope Cleat with backing plate and 2 lock nuts. Pull up cleat is inlaid on the deck, the product is cast from stainless steel 316, the surface treatment is mirror polished, there are no sharp edges and corners, and it is safe to use. Pull up cleat includes a 2MM thick backing plate and two lock nuts, easy to install, durable. Materials: Marine dock cleat made of precision cast 316 marine grade stainless steel Surface:100% handmade mirror polished，smooth surface without sharp edges. Product includes: One piece of pull up cleat, , backing plate and 2 lock nuts.（all stainless steel 316)