4 Pieces Diamond Sharpening Stone Grit Diamond Plate Honing Stone Diamond Stone for Kitchen Sharpening Dull, Blunt or Tired Edges, 5.9 x 2.48 Inches (400/600/1000/1200 Grit) Durable and reliable: made of diamond material, the honeycomb surface sharpener is safe and durable, not easy to break or fade, with fine resistance to abrasion and corrosion, you can use it with much confidence, can be applied for a long timeAppropriate size: the size of the knife sharpening stone is about 5.9 x 2.48 Inches (L x W), appropriate size makes it to be light in weight and compact for your convenient carryingWide range of applications: you can use the diamond plate honing stone to sharpen household kitchen knives, wood chisels, jade, seals, seal cutting tools and chamfering of glass tiles, practical and considerate design for youSufficient quantity: you will receive 4 pieces sharpener stones in different styles, including 400 grit, 600 grit 1000 grit and 1200 grit, sufficient quantity and various styles can meet your needs; Coarse grinding and fine grinding are combined with these stonesUsing tips: after sharpening, do remember to wash the knife before cutting; In order to get nice results, use with water or honing oil; Do not put the sharpener in the dishwasher or submerge in water