Dual (fine and coarse) 6" x 2" stones. Unbroken diamond grit surface. Stone fits in red plastic base with rubber grip ring. Base can be mounted to most surfaces. Ideal for sharpening pocket knives, kitchen knives, hunting and fishing knives, utility knife blades, cutting tools for gardening, woodworking, industrial cutting tool edge maintenance, fish hooks, darts, broadhead hunting arrows and other pointed implements. Hang packaged.