Fender Spring Hook Snap Fending Hook Attach Rope Boat Sail Tug Ship Marine Hardware 316 Stainless Steel Boat Accessories Features. Sail Trawler Boat Hardware, advanced corrosion resistance. Fender eyes and hooks are used to create fender facets round your boat. They can be used to create a line or a buoy from which your boat is moored. You can use them to hold your boat fenders to protect your boat, other boats and harbor walls. Spring hooks are frequently used as attachment facets for fenders, yet can also be used for hoods, canopies and different low load accessories. Quantity. 1PCS X Stainless steel bending hooks