This is the JBL Pro Sling 9/16 x 22" Band for 6W45, 4X75, 4D45 Spearfishing GunFeatures: Unique Latex Formula 302 Stainless Steel Wishbone Special Anti-Oxidants Protect from UV Durable Long Life Design 9/16" Diameter x 22" (14mm x 560 mm) Length Fits: JBL Woody Florida Special and Competition Magnum Spear Guns Great Save-A-Dive Kit Item 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 302 stainless wires that provide superior strength and durability, 9/16" diameter x 22" long (14mm x 560 mm). Sling is for JBL Woody Florida Special and Competition Magnum Spear Guns.