High Quality Whetstone SetEquipped with 4 pieces of whetstone with different mesh sizes: 120#, 320#, 600#, 1500#. It can meet the grinding needs of various tools.360 Degree RotationFixed angle design, innovative flip-to-lock mounting system, 360-degree rotation, allows you to switch to sharpen the other side while maintaining the same angle and same edge.Safety Design: The handle is located above the blade. When you push the stone back and forth to sharpen your knife, it won't hurt your handStrong durability and simple installation Most tool grinding frame materials are stainless steel, which is very durable and long lasting. It's easy to install and use.Multi-PurposeIt can be used in home kitchen tool grinding, cutting enthusiast, woodworking DIY tool grinding, kitchen tool grinding. 'hardware tools, maintenance tool grinding, and is suitable for instrument industry casting grinding, precision parts, micro tools, tools, precision grinding tools, etc.