Now you can take your favorite blades into the field with just one knife. The SOG Exchange Large Fixed Blade Knife Set comes with three blades (fillet, skinning, and saw) that store safely in the handle and can be substituted in a snap. No more need to carry a whole bunch of knives for different tasks. SOG knives are built tough and use one of the highest quality of steels that you can get that way they will stay sharp longer. See for yourself why they are leading the industry in innovation.