This complete surf leash is perfect for all round surf. It offers:
-7mm urethane cord
-double stainless steel swivels
-premium strength hook and loop fastening (velcro)
-premium 50mm neoprene ankle cuff
-premium small rail saver
-3/32" hex grub screws for universal interchangeability
-key pocket
-branded string quick release pull loop
-rail saver with fixed leash string (no more lost strings!)

-the Large and Extra Large surf leashs uses 8mm urethane cord.