Keep your trowel in tip-top condition with this Trowel Sharpener. Ideal tool for eliminating small nicks and dull edges on your square or round end finish trowel. This unique file has a center channel to focus the file and edge to keep a straight edge. Handle extends down 4 in. to keep hand away from trowel. Use on any of the Kraft Tool Concrete Finishing Trowels, Kraft Tool Plaster Trowels, or Kraft Tool Drywall Trowels to extend the life of the blade.