Item Type: 800 Grit Knife Sharpening Stone Material: Boron carbide Gross Weight: 780g / 27.5oz Size: 20x7.5x2.5cm / 7.9x3.0x1.0in 1Fixed Base: Comes with anti slip base for holding the stone firmly, this setup will ensure the wetstone is fixed in one place while sharpening, allows you to maintain the correct angle while sharpening. 2Water Grinding: Uses water for sharpening and grinding, our sharpening whetstone is reliable and safe to use, and it can be easily cleaned to ensue food safety and taste. 3Long Lasting Sharpness: This 800 grit knife whetstone is used for knife sharpening and grinding, and it can provide long lasting sharpness for knife with just one time use. 4Easy to Use: This knife sharpening stone is easy and convenient to use, even beginners can easily set the knife at the right sharpening angle. 5Professional Sharpening Tools: This whetstone kit is widely used in knives, scissors, hand tools, woodworking tools, carving tools, etc. Suitable for household kitchen knife sets, professional chef's knives, chisels and axes or other tools that need to sharpen.1 x800GritWhetstone 1 x Base