[What you will get] You will receive 3 kinds of chainsaw sharpening wheels, a total of 18 pieces, and the quantity is enough. It is convenient for you to work and use in your daily life to meet your diversified needs. [Premium Quality] Our diamond chainsaw sharpener is made of high quality titanium coated emery particles. quality, which means the texture is hard and hard to break, which means you'll enjoy 20% longer life from these bits than others without titanium. [Easy to use] These grinding wheels are specially designed for electric chainsaw 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. In just a few minutes, get rid of hand sharpening trouble once and for all. [Widely Application] Our burr files 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: What products are included - This diamond burr set includes 18 emery chainsaw sharpening heads, enough to meet your daily needs. Durable Material - These chainsaw sharpening stones use durable emery particles, which have a longer service life than other chainsaws on the market. Easy to use - You can use it to polish without disassembling the chain and reduce the number of chain replacements. Different Sizes - Our chain grinder heads come in three sizes, and different sizes correspond to different types of tools. Application - This series of grinding wheels are widely used in grinding weld seams, weld joints, bearings, molds, grinding burrs, etc. Specifications: Material: emery Color: Gold Grinding wheel diameter (approx.): 5/32in (4mm), 3/16in (4.8mm), 7/32in (5.5mm) Wheel Length (Approx): 8/9 in (24 mm), 9/10 in (25 mm) , 5/7 in (18 mm) Shank diameter (approx): all are 1/8 in (3 mm) ) Package List: 12 x 5/32 inch Burr Grinder File 3 x 3/16 inch Burr Grinder File 3 x Burr Grinding File 7/32 inch