Feature:1. Versatile Application: Versatility at its finest, the dual use spring strap accommodates various diving fins. It's suitable for most open heel fins, for Jet Fin and for OMS, adding value through adaptability.2. Stainless Steel Buckle: Incorporating a 316 stainless steel buckle that ensures durability and resistance against corrosion and wear. Fear not about challenging environments, this spring strap is built to withstand them all.3. Secure Connection: Benefit from the anti loose nut specification that guarantees a tight and secure connection. Your diving experience is made seamless with assured solidity, putting safety paramount.4. Comfortable and Resilient Heel Strap: Made from soft and comfortable EPDM material, the heel strap exhibits excellent aging resistance, chemical resistance, and insulation performance. It operates efficiently between 60 to 130, extending its applicability.5. Built in Length Limiting Rope: Featuring a built in length limiting rope within the spring strap, it prevents detachments or long lasting extractions. Enjoy comfort and peace of mind when embarking on your underwater adventures.Specification:Item Type: Diving Fin Spring StrapMaterial: 316 Stainless Steel, ABSWeight: Approx. 440g/15.5ozApplicable Size: Approx. 31 to 34cm/12.2 to 13.4inFit Shoe Size: 41 to 44.Package List:2 x Diving Fin Spring Strap