One kit attaches to almost any scuba fin
DIR style .025 stainless springs
Internal caveline to limit overstretching of springs
Heavy-duty nylon tube webbing
3 styles of 316 stainless steel buckles included
"Old School" buckles fit Turtle™, Power™, Frog™, Jet™, Twin Jet™, Rocket™ and others
"Large Post" buckles fit most of today's modern fins
"Small Post" buckles fit Atomic split fins