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 Professional-grade chainsaw sharpening tool set: This 3-piece set includes diamond chainsaw sharpener burr stone files for precise and efficient sharpening of chainsaw blades. Versatile compatibility: Designed for use with 12V electric mini grinders and other rotating tools, this sharpening tool is perfect for chainsaw grinders. Exceptional durability: Made from high-quality metal material, these sharpening tools are built to last, with high hardness and sturdiness for long-lasting use. Precision grinding: The 5/32in grinding head diameter ensures fine workmanship, allowing for easy and effective sharpening of chainsaw blades. Ideal for metal polishing: Not only suitable for chainsaw sharpening, but also perfect for polishing steel parts after heat treatment, making it a versatile tool for various applications.