12pcs Diamond Chainsaw Sharpener Grinder Bits for Dremel Tools, Professional Precision Chain Grinding12pcs 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 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 teethSpecifications:Material: Titanium coated emery grainsSize: 4.0mm, 4.8mm, 5.5mmShank: 3mmApplies to: These grinding heads for electric saw sharpeners are suitable for metal polishing, such as electric saws, jade, wood, molds, steel, etc.Package Included:12PCS Diamond Chainsaw Sharpener