Whitby Abrasives 4" Dual Grit Axe Sharpening Stone is a compact, heavy-duty silicon carbide sharpening stone designed for outdoor tool sharpening, yard tool maintenance, garden tool sharpening and general blade edge restoration. This round whetstone puck features two working surfaces: coarse 120 grit for fast sharpening, edge repair, burr removal and restoring dull or damaged blades, plus fine 240 grit for finishing, smoothing, honing and touch-up sharpening. Use this multipurpose sharpening stone as an axe sharpener, axe sharpening stone, hatchet sharpener, lawn mower blade sharpener, mower blade sharpener, machete sharpener, shovel sharpener, hoe sharpener, garden tool sharpener, outdoor knife sharpener, camp knife sharpener and general blade sharpener for tough working edges. It is ideal for axes, hatchets, machetes, lawn mower blades, shovels, hoes, spades, gardening tools, camping tools, chopping tools, cutting tools, outdoor blades and hand tools. Made from durable silicon carbide, also known as carborundum, this sharpening puck provides aggressive cutting action for metal edges while helping maintain a smoother finished edge after sharpening. The dual grit 120/240 design makes it useful for both rough sharpening and final edge maintenance. Whether you are maintaining tools in the garage, shed, backyard, workshop, campsite, farm, landscaping kit or work truck, this portable wet stone / whetstone puck helps keep outdoor blades sharp, clean and ready for work. The easy-grip round design includes a recessed middle finger groove to help provide better control and safer hand positioning during use. The compact 4 inch diameter x 1-1/2 inch thick size makes it easy to store in a toolbox, tool bag, garage shelf, garden kit or camping gear. A practical multipurpose sharpener for homeowners, gardeners, landscapers, campers, DIY users and anyone who needs to sharpen, restore and maintain dull outdoor tool edges.