Perfect for use in homes garages, professional repair shops, or during outdoor riding maintenance, ensuring your equipment is always in top condition This set of 12 hand cranked chain sharpeners, accomplish with nut, a comprehensive ranges of sizes ( 4mm, 4.8mm, and 5.5mm) to ensures your chains are practical, enhancing and longevity Ideal for cycling enthusiasts, motorcycle riders, and professional repair technicians, this tool is designed to meet the needs of both hobbyists and experts alike Crafted from sturdy diamonds grits materials, these sharpening heads provide efficient grinding for various chain sizes, making installation quick and easy with the included nut Enhances your toolkit with this versatile chain sharpener set, a must have for anyone looking to maintain their chainsaw or bike chain with accuracy and ease, Manufacturer: ERRORY