Size: 1x30 inch(25mmx762mm) 60/80/120/150/240/400 grit sander, 2pcs of each grit, 12pcs in totalApplications:Abrasive belts are very suitable for knife grinding, rust removal, deburring, blade sharpening, metal polishing, woodworking. They are suitable for all kinds of kitchen knife, scissors, carving knife, gardening knife, serrated knife, lawn mower blades, tool head and can also be used for other materials including wood, fiberglass, rubber, plastic, stone, etc.Features: Durable Aluminum Oxide Material: The tool grinding belt has a high hardness, good toughness, can be continuously and effectively polished, has good heat resistance, and is suitable for knife, metal surface processing, wood grinding, etc. Uniform Abrasive and Strong Adhesion: The electrostatic coating process is adopted to bond the abrasive through electrostatic attraction, forming uniform grinding with strong adhesion. Even if it is bent, the abrasive will not fall off. Smooth and Stable Joint: The 1x18 sander belt adopts butt joint technology, the joint can rotate in both directions, there will be no jumping during the grinding process, providing smoother grinding. Moisture Proof: The bottom of the sanding belt is made of hard cloth material, which is moisture-proof and can be stored for a long time.Useful Tips:Butt joints can be polished in both directions.