Description: Designed for kayaks, canoes. They can be used as replacement and spare. Easy to install and remove. Reusable. Recommended use for deck rigging, deck bungee and rescue deck line. Screw Hole Diameter: 4mm/ 0.16inch, Line Hole Diameter: 7.5mm/ 0.29inch. Dimension: 19*28.5*16mm/ 0.75*1.12*0.63inch Package Includes: 6 Pieces Kayak Single Eyelet