Gerber''''s'' fillet knives are the sharpest and most comfortable on the market. Soft, easy-to-grip handles, superior blades, and built-in sharpeners make any filleting job a pleasure. The Gerber Gator fillet knives have full tang stainless steel blades; tempered to hold an edge, yet retain an amazing amount of flex, critical in a good fillet knife. The knife comes with a hard molded plastic sheath that provides safety and convenience. There is also a ceramic sharpener in the tip of the sheath making edge touch-up quick and easy.