This is a set of abrasive materials for sharpening lawn mower blades, as well as other garden tools and equipment. The set includes five sharpening stones mounted on a special wheel, designed to be used as a drill or screwdriver attachment. The material of the sharpening stones ensures precise and even sharpening work. The process is simple — the attachment is secured in the drill chuck, and during operation, it carefully removes a thin layer of metal to sharpen the blade. The sharpening wheels are well-balanced and durable, providing long-lasting performance. Size — 1.97 x 1.85 inches.