1、Non Slip Base: Our sharpening stones come with a rubber base, this setup will ensure that the wet stone is held in one place for your safety while sharpening. 2、Excellent Sharpening: Don't throw away your dull knives, you can simply put them on this sharpening stone to get a incisive knife. 3、Large Size: This high density sharpening stone is larger, safer to use and more durable to keep your knife blade incisive for a long time. 4、Long Service Life: Our sharpening stone is made of natural stone, which is a non disposable abrasive that does not contain iron. 5、Suitable for All Blades: This sharpening stone set can sharpen any blade such as household kitchen knife set, sushi knife, paring knife, meat cleaver, pocket knife, scissors, chisel.