DMT Sonic-Sharp Fine Grit Straight 4.25" x 3.5" x 4.5". . Established working with several of the very most sturdy and long lasting materials around these Knife Sharpeners via DMT will present you with an item which gives you years of consistency. DMT has been making superior quality merchandise for a very long time and the DMT Sonic-Sharp Fine Grit Straight is their way of showing you exactly how much they care. At OpticsPlanet we ensure that it is our responsibility to receive the best product for your preferences and featuring the DMT Sonic-Sharp Fine Grit Straight is something that we're pleased to offer. Specifications for DMT Sonic-Sharp Fine Grit Straight: Manufacturer: DMT Length: 4.25 in Features of DMT Sonic-Sharp Fine Grit Straight Dimensions: 4.25" x 3.5" x 4.5". Grit: Fine. Non-slip base. Straight edge sharpener that sharpens knives sonically. No oil needed. Use dry. Requires (2) AA batteries (not included). Clam packed. Package Contents: DMT Sonic-Sharp Fine Grit Straight DMT 20001: Sonic-Sharp Fine Grit Straight 4.25" x 3.5" x 4.5"