This whetstone sharpening stone is dual-sided, with 1,000 grit to quickly sharpen dull 6,000 grit for finishing and polishing edges. It is made from high-quality white corundum. The silicone non-slip base ensures the bamboo board stays in place and keeps the stones sturdy while sharpening. The angle guide helps to control the angle and provides extra safety. It is suitable for sharpening a range of tool blades as well as household items such as scissors.