Item Type: Diving Fin Spring Strap Material: 316 Stainless Steel, ABS Weight: Approx. 440g/15.5oz Applicable Size: Approx. 31 to 34cm/12.2 to 13.4in Fit Shoe Size: 41 to 44 Package List 2 x Diving Fin Spring Strap 1Versatile 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. 2Stainless 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. 3Secure 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. 4Comfortable 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. 5Built 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.