Founded in the early 1920s, Corona is a leader in the marketing and manufacturing of professional and consumer tools for the lawn and garden, landscape, irrigation, construction, and agriculture markets. With a retail and distribution network that extends throughout the United States and Canada, Corona's proven designs, quality manufacturing processes and unparalleled customer service make it the best choice in tools for contractors, agricultural professionals, and avid gardeners alike. The patented innovations found in the new Corona lawn and garden tools represent our continued dedication to putting industry leading design and quality into the hands of landscape professionals and passionate gardeners who need them most. We have engineered and developed this range of tools, to provide hand-held solutions to cultivate, weed, till and maintain your property. repair your lawn, edge a border, or prepare a garden bed with comfort and innovative features. The file is ideal for sharpening tools such as spades, shovels, hoes, scrapers, and it can also be used to polish and deburring work lathes. This Smooth-Cut Mill file will leave a fine finish and has a single cut tooth pattern for gradual removal of material and sharpening. It features a rectangular cross section that tapers from the tang toward the end.