The Havalon Hydra is a versatile knife with a total of 17 blades in 7 different styles, the complete Hydra kit has everything you need to take on the great outdoors. Whether you're field dressing a trophy buck or filleting the catch of the day, the multi-bladed Havalon Hydra is the only tool you need. Fits all Havalon blades. Includes three additional Baracuta blades- Fillet (#127XT), Hunter (#115XT) and Bone Saw (#115SW); 12 additional Piranta blades, three each of #60A, #70A, #22XT and #22 and a zipper carry case.