Features: *100% Brand New and High Quality *The sharpening head of the electric saw sharpener is easy to install and has good heat dissipation. It can be applied to the polishing agent without removing the chain, thereby improving work efficiency. *Use with electric sure compatible with sharp handheld grinder to easily sharpen your saw chain *The latest, hardest titanium-plated Diamond Wheels we'e ever made, adopted titanium plating process, which means you will enjoy 20% longer lifetime of these bits than others non-titanium-plated. *These stones leave an excellent cutting edge on saw chain and are easily replaced on most electric chain sharpeners Carded * Ideal for sharpening chain saw teeth Specifications: Material: Titanium coated emery grains Size: 4.0mm, 4.8mm, 5.5mm Shank: 3mm Applies to: These grinding heads for electric saw sharpeners are suitable for metal polishing, such as electric saws, jade, wood, molds, steel, etc. Package Contents: 6PCS Diamond Chainsaw Sharpener Excellent product quality, stylish appearance design, effective use effect, product production goes through a strict screening process The product is of good quality, durable, precise in size, and full of design Use simple small objects to greatly improve the quality of life Please read the item description carefully to understand the size of the product and the content of the package The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness