in 1 Knife Sharpening System: The sharpener has 2 sharpening slots. One is harder tungsten for dull knives, the other is creamy and can be used for sharpening and polishing. This kitchen sharpener is suitable for most steel knives like chef knife, santoku knife, smart knife, etc. Comfortable Design: The upgraded design gives you a non-slip grip and increases safety. Just use it on any flat surface to bring your dull knife back to sharp. Convenient for home or outdoor use. Easy to Use: Put your knife into the sharpening slot, then sharpen in one direction and repeat 3-5 times, within three seconds, the blade is sharp as new. Ideal for everyday use. Excellent Quality: With durable ABS plastic and high quality diamond and ceramic wheel, this sharpener is designed for a lifetime of use. Each item has been tested before shipping out completely. We always offer the excellent quality products for every customer who supports us with sincerity. Color: Black Size: 10.2*5.1*4.2cm Quantity delivered: 1 piece