✅ SUPERIOR BUNDLE - 3 Must Have Sharpening tools bundled in one affordable set for you, our Sharp Pebble Waterstone (grit 400/1000) with Non Slip Rubber Base + Flatening Stone + Knife Sharpening Guide(Ebook) are perfect for making very dull knifes scary sharp. ✅ RESTORE SHARPNESS - Only one use of sharpening stone is enough to restore sharpeness of dull knives & dammaged/battered blades- so that you can have HIGH PRODUCTIVITY, Faster Cutting which makes food preparation EASIER, minimizes fatigue & REDUCES STRESS on WRIST, hands and arms caused by blunt or dull knives. ✅ DUAL SIDED WHETSTONE: Sharp Pebble waterstone is made from highly durable silicon carbide dual side grit 400/1000. Grit 400 is used for returning edges to their original shape, Grit 1000 is used for sharpening & smoothing the edge. Flatening stone is used to level the uneven surface caused due to repeated use, making it flat. As its a water stone- No expensive honing oil needed!