The standard brass snaps used for most sit-on-top kayak accessory applications. Handy replacements for broken and corroded clips and snaps. Convert some plastic buckle backrests into brass clip backrests. Handy for tethering scuba and fishing gear. Make your own bow line. Add to Deck Net Kit for use as cargo well tie downs. Pack as spare parts in your repair kit. Three Inches long, 8cm. Size Scale For Parts. If you have questions please use the link above to Ask Tom. Sold as a two pack.