Description: - The grinding head of the electric saw sharpener is easy to install and has good heat dissipation. It can be applied to the polisher without removing the chain, which improves work efficiency. - Includes twelve replacement grinding stones - Use with electric handheld grinder to easily sharpen your saw chain - The latest, hardest titanium-plated diamond burrs we have ever made, adopted titanium plating process, which means you will enjoy 20% longer lifespan on these bits than other non-titanium-plated ones. - These stones leave an excellent cutting edge on the saw chain and are easy to replace on most electric chain sharpeners. - Ideal for sharpening chainsaw chain teeth Specifications: Material: Titanium-coated emery grit Size: 4.0mm, 4.8mm, 5.5mm Shank: 3mm Applicable to: These electric saw sharpener grinding heads are suitable for metal polishing, such as electric saws, jade, wood, molds, steel, etc. Package includes: 12 Pcs Diamond Chainsaw Sharpener