Douzime M5x20 Rail Track Screws Track Nuts Stainless Steel Screws Nuts Hardware Replacement Kit Accessories for Kayak Canoes Boats Rails Watercraft 4 Pack-M5*20, Screws diameter 0.2 1/5; Screw length 0.66 inch --Nut size: 1.14 * 0.51 * 0.12 inches (29 * 13 * 3 mm) --Weight: 1.4oz --Package : 4 pcs in a PP BagFeatures of Douzime M5x20 Rail Track Sc..

M6x10 Rail Track Screws Track Nuts Hardware Gear Mounting Replacement Kit for Kayak Canoes Boats Rails 4 Pack-M6*10, Screws diameter 0.26 inch , ; Screw length 0.275 inch Nut size: 1.14 * 0.51 * 0.12 inches (29 * 13 * 3 mm) Weight: 1.6oz Package : 4 Pack in a PP BagFeatures of M6x10 Rail Track Screws Track Nuts Hardware Gear Mounting Replacement K..