Features a premium double-sided diamond-coated sharpening surface, offering both coarse and fine grits for fast reshaping and precise honing. Ideal for restoring dull kitchen knives to razor-sharp condition in minutes. Designed with preset 15° and 20° sharpening angles to help you achieve professional, consistent edges every time. Perfect for most Western and Asian-style kitchen knives, Built-in strong magnets firmly hold the blade against the rolling guide maintaining the correct angle while sharpening. The smooth roller motion reduces hand fatigue and makes sharpening easier and more accurate, even for beginners. Non-slip base and ergonomic design provide excellent stability and control during use. Simply place the blade on the magnetic guide, roll along the double-sided diamond stone, and repeat until the desired sharpness is reached. Color: As Shown Material: Polishing Stone Package Contents: 1*knife sharpener set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.