Per the manufacturer, they have the following features and benefits:

• ☢️ Powerful Cuts: A dull axe won’t “bite” in the wood & it will bounce back or deflect, causing serious injury. Restore the blade to its prime glory within minutes with Sharp Pebble Ax Sharpener Stone. Made with premium quality 100% silicon carbide and 40% Larger surface area it provides an exceptionally sharp blade with Minimal effort.
• ✳️ Dual Grit: The Coarse side(Black) 150 Grit of this sharpening puck for axes is used to sharpen dull edges. Fine side(Green): 320 Grit is used to restore slightly dulled cutting edges and enhance the finish left by the coarse side within minutes.
• 👋 Easy To Use & Hold: The Large Ergonomic Design of the sharpening disk makes it easy to grip and allows for a safe & easy sharpening experience. Hold the disk firmly with thumb and fingers, supporting it by the palm of the strong hand. Move the disk in a circular motion, overlapping the circles as you move along the entire cutting edge to be sharpened.
• 🛠 Multipurpose Stone: This multipurpose whetstone can be used as lawnmower blade sharpener, machete sharpener, hatchet sharpener, ax blade sharpener, tomahawk sharpener, shovel sharpener, bushcraft tools sharpener, knife sharpener, spade sharpener, knife sharpening stone, and a variety of other cutting & chopping tools.