This is the JBL #332E Replacement Band with Kevlar Wishbone Sling for Spear Fishing Spearguns Features: KBL Pro Sling Unique Latex Formula Kevlar Cord Wishbone Special Anti-Oxidants Protect from UV Durable Long Life Design Dimensions: (Dia. x L) 5/8 x 32" (16mm x 810 mm) Fits: JBL Woody Elite Magnum 450, Mid-Handle Magnum 450, Reaper 130cm Spear Guns Great Save-A-Dive Kit Item Having spare parts for your gun or sling is the only way to assure you won&';t get skunked on a spear fishing trip. JBL&';s unique latex formulation and dip manufacturing process delivers radical modulus strength. The power curve increases as bands are stretched for optimum performance. Special anti-oxidants help protect against harmful U.V. rays, prolonging sling life. Wishbones are Kevlar Spectra Cord that provides superior strength and durability, 5/8" diameter x 32" (16mm x 810 mm) long. Sling is for Woody Elite Magnum 450, Mid-Handle Magnum 450, and Reaper 130cm Spear Guns (JBL6W50E, JBL6W50MH, JBL4R130). Sling makes a great save-a-dive-kit item."