Donemore 3-Stage Kitchen Chef Knife Scissors Sharpener for Serrated & Straight Knives, Knife Sharpening Tool Helps Repair and Restore Blades Specification: Color: Red+black Material: Stainless Steel, Plastic Size: 21.6x5.2x5.7cm / 7.4x1.9x2.3" approx The two-stage design, both coarse and fine grinding Stainless steel with EVA non-slip base to ensure sharpener security Widely used in Stainless Steel kitchen knives, fruit knife, chef's knife How to Use: 1.sharpener placed on the platform, holding a stable non-slip handle, and other handheld knife. Decided to use or two steps according to the degree of tool blunt 2. coarse grinding: used to repair badly damaged blade, suitable for a blunt tool. Knife into diamond grinding mouth, proper and uniform of back and forth, pulling observed blade circumstances, this step 3-5 times. Tool grinding compatible with sharp six months before general use the kibble once, also according to the specific circumstances. 3. finely ground: This is a necessary step to burrs on the knife-, is polished, bright. Use, please refer to the steps. Under normal circumstances, it is recommended that once a week or daily use to keep your blade compatible with sharp. 4.wipe with a damp cloth or rinse with water, then wipe dry. Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Household Sharpener Stone How to Use: 1.sharpener placed on the platform, holding a stable non-slip handle, and other handheld knife. Decided to use or two steps according to the degree of tool blunt Donemore 3-Stage Kitchen Chef Knife Scissors Sharpener for Serrated & Straight Knives, Knife Sharpening Tool Helps Repair and Restore Blades Specification: Stainless steel with EVA non-slip base to ensure sharpener security