9-piece set, diamond chainsaw chain sharpener, sharpening stone, 3 sizes: 4.0, 4.8 and 5.5 mm

Multiple Sizes: This kit includes nine 3 x 4 mm sharpening stones, three 3 x 4.8 mm stones, and three spare 3 x 5.5 mm stones. Suitable for sharpening both gas and electric chainsaw chains. Easy Sharpening: Sharpening your chain has never been easier, without having to disassemble and reassemble it. Restore your chainsaw to its original condition in minutes. Premium Materials: This chain sharpening tool is made with high-quality materials. The even distribution of grit on the sharpening heads makes operation easy and ensures long-lasting durability. Easy Sharpening: Sharpening your chain has never been easier, without having to disassemble and reassemble it. Restore your chainsaw to its original condition in minutes. Chain sharpening made easy: Sharpening your chain has never been simpler, without having to disassemble and reassemble it. Your chainsaw will look brand new again in minutes.