Suggested Retail:$49. Drill Doctor DD350X 350X Drill Bit Sharpener. . The 350x provides the homeowner, weekend Craftsman, or Hobbyist with the sharpening power needed to Restore dull bits and keep on working. Its fast, easy, accurate and gives you precision results every time.. ‎4 x 7 x 5 inches. . 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.