Spyderco 204MF triangle sharpmaker set

*The Tri-Angle Sharpmaker (204MF) includes two sets of high alumina ceramic stones : a pair of medium-grit (brown) 7" x 0.5" (178mm x 13mm) stones for aggressive sharpening and a set of fine (white) 7" x 0.5" (178mm x 13mm) stones for professional grade finishing.
*The stones are triangular for sharpening Plainedges on the flat sides and SpyderEdges (serrations) on the corners. A furrow running the length of each stone lets you sharpen pointed items like fishhooks, darts and awls.
*Included is a set of brass safety rods protecting the users hands while sharpening.
*All components snap into the self-contained ABS plastic base and lid -- ready to travel with you. Die-cut into the base are keyed slots and holes fitted for the stones.
*System comes with instruction book and DVD.