In the past few years, we have covered plenty of awesome axes here. The Sharp Pebble helps you keep your ax sharp. It is made with 100% silicon carbide and has a large surface to get the job done. This sharpener stone has 150 and 320-grit sides.
You can use this to sharpen lawnmower blade, hatches, shovels, and everything in between.
[where to get it]