B3 s Exoskeletal Broadheads are stronger, straighter and superior a patent-pending design built by archers and hunters, like you. The curved blades cut faster and penetrate longer. Quiet flight and field-tip accuracy out to longer Product Features 1 3/16" cut 4 blade design 100% stainless steel .039? 440C SS blades Proprietary blade locking design Fixed blade 100 grain head Razor-sharp blades with superior flight Micro steel head with bone smashing tip 3 pack of broadheads with a practice tip included Curved blades for greater penetration and better cut