- The Problue fin buckle is made from heavy-duty plastic and is designed to match the Problue Rubber Fin Strap for most open heel diving fins.

- The buckle has a secure locking clip to ensure a firm fit.

- The buckle also has a button release system to allow the teeth of the strap to be easily adjusted.

- The plastic clips have both the male and female part of the buckle included. The female piece clips onto the fin permanently and the male part is designed to remain on the strap.

- Black colour only