Lanskys Deluxe Diamond Four-Stone Knife-Sharpening System boasts all your sharpening essentials in one convenient package. It includes a 70-grit extra-coarse diamond stone, a 120-grit coarse diamond stone, a 280-grit medium diamond stone and a 600-grit fine diamond stone to give your blade a professional, razor-sharp edge. Color-coated, finger-grooved safety holders are mounted to each stone and one guide rod is included for each honing stone. Also includes specially formulated honing oil for sharpening, extra-long knife clamp screws and a custom-molded carrying case. Made in USA. 8.5L x 4.25W x 1.6H. Wt: 1.4 lbs. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Sharpeners.