Sufficient quantity: 3 sizes - 5/32inch, 3/16inch, 7/32inch (4.0mm, 4.8mm, 5.5mm), 20pcs for each size, 60pcs in total Rugged and : chainsaw sharpener is made of high-quality particles and uses titanium plating process to extend its service life Multi-size application: Three sizes of chainsaw sharpener are applicable to 5/32inch electric saws, 3/16inch small oil chain saw wheels, 7/32inch large oil chain saw wheels Easy to use: The tail diameter of chainsaw sharpener bits is 3mm, which is suitable for most tools and convenient for polishing without removing the chain Widely used: Suitable for polishing and carving, such as sculpture, jade, precious stone, parts, etc, Manufacturer: Jnchdghwa