Features: It is used for polishing metal, especially for steel parts after heat treatment.3pcs set chainsaw sharpener grinding stone set, suitable for 12V electric mini grinder.A practical tool for chainsaw sharpening, fits for chainsaw grinder or other rotating tool.Made of high quality metal material, high hardness, sturdy and durable to use.5/32in grinding head diameter with fine workmanship, easy to use. Specification: Condition: 100% Brand New Material: Metal Shape: Cylindrical Length: Approx. 4.2cm / 1.7in Grinding Head Diameter: Approx. 5/32in Weight: Approx. 7g / 0.2 oz Package List: 1 x Grinding Stone Set (3pcs) Features 3PCS SET CHAINSAW SHARPENER: The Package includes 3 Chainsaw File, which can meet your polishing needs and provide you with efficient and fast tools. 5/32 INCH DIAMETER GRINDING HEAD: 5/32 chainsaw files are 1.7 inches long and are used for chainsaw grinding. PRACTICAL TOOL APPLICATION: Suitable for electric saw grinder or other rotating tools, suitable for 12V electric mini grinder. EASY TO REPLACE AND INSTALL: You only need to remove the faulty Grinding Stone and directly replace it with a new one. HIGH-QUALITY MATERIALS: Chain Saw File is made of metal, with a polished surface, high hardness, and durability.