$30 · Cressi EBS spring straps for Standard fittings

Cressi EBS spring strap Cressi's version of a spring strap actually uses surgical tubing instead of stainless steel springs however, they work really well and last a long time. I bought these for my cressi fins thinking they were "standard" to cressi fins but it turns out they were standard fitting for other fins besides cressi.... Brand new, still in box. paid $50.00 looking for $30.00