Includes: 10 Spearit NTR Inserts enough for 5 bridles / wishbones (wisbone cord and other assembly components sold seperately). Introducing Spearit NTR, a line of spearfishing accessories designed to eliminate the knuckle busting hassle of assembly tools.--- These NTR Bridle / Wishbone Inserts are designed for use with wishbone cord up to 2.5mm in diameter and they completely eliminate the need for wishbone installation tools. No more struggling with T type installation tools or needle nose pliers. Making bands just got easier even on the deck of a bobbing boat. They are made from high strength, ultra light weight and corrosion-proof glass reinforced plastic. If you choose to remove them from your old bands, they are reusable and yet are inexpensive enough to be considered disposable.