Description： * brand new and high quality. *Made of high quality material, durable and practical to use. *12pcs Diamond Chainsaw Sharpener Burr Grinder Chain Saw Drill Bits for Dremel *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. *Includes twelve replacement dressing stones *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 Specification: Material: Titanium coated emery grains Size: 4.0mm, 4.8mm, 5.5mm Shank: 3mm Color：Random color delivery Package includes: 12PCS Diamond Chainsaw Sharpener Note: 1. 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. 2. Please allow slight manual measurement deviation for the data*** Brand new and high quality. Convenient to use. Durable and practical. Made of high quality material, durable and practical to use. 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. Please allow slight manual measurement deviation for the data.