Tight space-no worries! Dia-Sharpr 2.5″ Diamond Mini-Honer sharpener with its ergonomically designed handle provides comfortable sharpening, deburring and honing in tight spaces. Easy access tip measures .033″ thick. Diamond surface measures 2.5″ x .75″. Extra-Fine (9 micron / 1200 mesh) to polish and refine a razor edge after sharpening with a coarser diamond. Sharpening with diamonds is fast and easy. No messy oils needed-sharpen dry or with water. Constructed to provide lasting and reliable service, every time.