Kayak 4 Stainless Steel Kayak Rail / Track Screws Track Nuts Accommodate or place any accessory in any track system on kayaks with this universal track nut and screw kit. Includes 304 stainless steel construction, almost universal installation, it is a kit of perfect replacement for mounting accessories in the track system on kayaks, boats. Features: 304 Stainless Steel Construction, Rust and Corrosion Resistant. Nut size: 29133mm (1.140.510.12inch). Almost universally fits any track system on boats. Mount all kayak accessories with this kit. Easy installations with M6 screwdrivers (not included). Perfect kayak mounting hardware replacement kit for kayakers. Specifications: Material: 304 Stainless Steel Model: M6 Size: 624.5mm/0.240.96in Wire Length: 20mm/0.79in Size: 29133mm / 1.14 * 0.51 * 0.12 inch Package size: 12.5 * 8 * 1cm / 4.9 * 3.1 * 0.4 inch Weight: 53G / 1.9oz Package List: 4Screw 4Track Nut