1、Long Lasting Sharpness: This sharpening stone is very convenient and practical, just use it once for long lasting sharpness, the perfect sharpener. 2、Complete Sharpening Kit: This whetstone knife sharpener set includes a complete whetstone kit for all your sharpening needs. 3、Easy to Clean: Grinding only requires water, easy to clean, guarantee food safe and delicious, and can be used with confidence. 4、Simple Operation: The beginner can easily set the knife at the correct sharpening angle, easy to use, making everything very easy. 5、Wide Applicability: This whetstone sharpening set is suitable for household kitchen knife sets, professional chef's knives, scissors, chisels and axes or other tools that require sharpening. Item Type: Whetstone Material: White Corundum Gross Weight: 269g / 9.5oz Specifications: 120Grit, 320Grit, 600Grit, 1500Grit Set: 4 pieces Product Size: Approx.15 x 2.5cm / 5.9 x 1.0in 4 x Whetstone