Si vous avez des questions, veuillez d'abord contacter le service client, n'ouvrez pas de litiges facilement, merci Description: [What you will get] You will receive 3 kinds of titanium-coated diamond grinding wheels, a total of 18 pieces, and the quantity is sufficient. It is convenient for you to work and use in your daily life to meet your diversified needs. [Premium Quality] Our chainsaw sharpeners are made of high-quality titanium-coated emery particles, which means the texture is hard and not easily broken. In addition, the diamond particles on the drill bit are polished and engraved, which is fine and even. [Easy to Use] These golden bits are specially designed for electric chain saw sharpeners. You can polish it without disassembling the chain, which reduces the number of chain replacements, which is convenient to use, and improves your work efficiency. [Size Type] It comes in 3 sizes, the first is about 5/32 inches (4 mm) in diameter for small chainsaw chains, the second is approx 3/16 inches (4.8 mm) for small chainsaw 325 and large 8 chains. Three are about 7/32 inches (5.5 mm) for large chainsaw chains. Different sizes correspond to their respective models, which brings you a lot of conveniences. [Widely Application] Our polishing tools can be widely used in mechanical and metal polishing, such as cemented carbide, steel bar, chain saw, jade, gemstones, molds, ceramics, jade, wood, and other industries. Features: Durable Material - These chainsaw sharpening stones use durable emery particles, which have a longer life than other chain saws on the market. Easy to Operate - You can use it for polishing without disassembling the chain and reducing the number of chain replacements. Different Size - Our chain grinding heads are available in three sizes, and different sizes correspond to different tool types. Application - This series of polishing abrasives are widely used in welding seam grinding, solder joints, bearings, molds, burr grinding, etc. Specification: Material: Emery Color: Gold Weight: 68 g / 2.4 oz Grinding Stone Diameter (approx.): 5/32 '' (4 mm), 3/16 '' (4.8 mm), 7/32 '' (5.5 mm) Grinding Stone Length (approx.): 8/9 '' (24 mm), 9/10 '' (25 mm) , 5/7 ''(18 mm) Shank Diameter (approx.): All is 1/8 '' (3 mm) Package Dimension: 2.2 x 2 x 1 inches Package Included: 12 x Burr grinding stone file 5/32 inches 3 x Burr grinding stone file 3/16 inches 3 x Burr grinding stone file 7/32 inches