NTR Bead Kit Incl Beads, Spectra, Constrictor, Shrink Rings for 3 Speargun Wishbones (6) Spearit NTR Wishbone Beads, enough for 3 wishbones 6 feet of Spectra Wishbone Cord enough for 3 wishbones and 3 wishbone rebuilds 6 feet (2m) of Spearit black Kevlar constrictor cord enough to tie 3 bands (6) 3/4in heat shrink rings enough for 3 bands Complete illustrated instructions