Professional Tool Manufacturing, LLC, is a privately owned company that designs and manufactures the Drill Doctor® brand of high quality drill bit sharpeners. Our drill bit sharpening technology is based on more than 30 years of design and manufacturing experience by Darex Corporation, the world leader in industrial and end mill sharpeners.

Since its introduction in 1997, the Drill Doctor® line has sold more than one million units. All major U.S. hardware retailers, as well as distributors in some 25 nations abroad, carry the Drill Doctor® brand.

Some of the retailers who carry the Drill Doctor® today are Sears, Home Depot, Lowes, TrueValue, Ace Hardware, Do It Best, Orchard Supply Hardware, Menard's, and Amazon.com. They are also carried extensively by auto after market and industrial tool suppliers

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