Tent pole clips push button Customized Double reliable button spring clips , riveting spring clips for tubing Crafted from marine grade 304 stainless-steel for top-quality corrosion resistance. Screws, quick installation. May very well be use to carry any tube programs. Polished stainless-metal spring clamps to carry boat hook in position. http://accesoriosnauticos04691.fitnell.com/29184258/the-ultimate-guide-to-spring-tube-clips-for-boat