If you use a blade at work or home, you know that you have to sharpen it in order to keep it effective. Using a file on a regular basis? You’re going to want one of these sharpening stones. Not only do these sharpening stones help you keep that edge, they actually prolong the lifespan of your scissors, blades and knives. Plus, there’s nothing more satisfying than sharpening your own blade on a sharpening stone. You can also shop Zoro for rub bricks.