Made in the USA Diamond cuts very fast & sharpens easily with light pressure Excellent for hard-to-reach areas Extra Fine grit – 9 micron, 1200 mesh – Polish an edge to a razor sharp finish 2-1/2\” x 3/4\” cutting surface Easy access tip measures .033 thick (1 mm) Lowest maintenance of any other type of sharpening stone May use with water, or just sharpen dry Product Description Specs Special \”Dia-Sharp\” mini hone sharpeners cater to confined or narrow hard-to-reach surfaces & are useful for standard edges as well. These mini hones utilize continuous surface technology for the same precision quality results as other Diafold models. The ergonomically designed handle provides comfortable sharpening, deburring & honing in tight spaces. 2-1/2\” long x 3/4\” wide sharpening surface. Made in USA. From the Manufacturer: DMT Commitment. Proudly made in the USA for more than thirty years, DMT has been committed to one thing: to innovate & produce the world\’s finest diamond knife & tool sharpeners. All DMT products are made using the highest quality materials & workmanship & are guaranteed to be free of defects. Any product found to be defective will be replaced free of charge – it\’s that simple! Product Diamond Grit Particle Size in Microns Overall Stone Size Overall Length Model # DMT 2 – 1/2\” Diamond Mini Hone ~ Extra-Fine – D2E Extra Fine 9 micron, 1200 mesh 2 – 1/2\” Long x 3/4\” Wide x .033\” thick (1 mm) 7\” D2E For California Residents: WARNING: Cancer & Reproductive Harm – www.P65Warnings.ca.gov WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood