Combination Sharpening Stone 6-7/8 inch x 2 inch x 1 inch Now you can sharpen your chisels, bits and tools with this heavy duty, quality sharpening stone Stone is 6-7/8" x 2" x 1", and has both medium and fine grits Superior wear-resistant stone sharpens quickly, evenly, efficiently to provide sharper, safer edges Weight: 0.70 lbs.