DMT Diamond Whetstone Set Hardwood Box 3 x 6 in. DM. The set is presented in a padded drawstring sack. Removing the agate whetstone from the fitted case may prove difficult as stones can be damaged during use; however it is easily cleaned. The Diamond Whetstone is a superior choice for preparing very dull or damaged cutting tools and utensils as well as for sharpening tools of pointed instruments such as pocketknives fine writing implements broadheads & scissors. Specifications for DMT Diamond Whetstone Set: Manufacturer: DMT Additional Features: Hardwood Box 3 x 6 in. Package Contents: DMT Diamond Whetstone Set DMT DMW6EFC: Diamond Whetstone Set Hardwood Box 3 x 6 in.