This is the JBL #320E Replacement Band/Sling with Kevlar Wishbone Sling for Spear Fishing Spearguns Features: JBL 5/8 x 20 Hi-Mod Elite Sling Features kevlar wishbones for silent operation For use with Elite and Shark fin tabs only Replacement band for Elite Sawed Off Magnum (4D44E) and Woody Elite Sawed Off Magnum (6W44E) Great for replacing a worn out sling, always keep a few in your gear bag so you never miss out on a great hunt! "