Product Specifications
The set includes 12 diamond chainsaw sharpening burrs for use with rotary tools. The grinding heads feature a titanium-coated abrasive surface with a cylindrical shape. Based on the provided information and image, the bit diameter is 5.5mm, the shank diameter is 3mm, the grinding head length is 22mm, and the total length is 45mm. The color appears to be gold-toned.

Core Features
These grinding burrs are designed for precise sharpening of chainsaw chains, are easy to install, and easy to replace on most electric chainsaw sharpeners. They can be used for sharpening without removing the chain, which helps to improve work efficiency. The titanium-plated diamond abrasive construction is described as harder and more durable than non-titanium-plated alternatives, while also helping to leave a clean cutting edge on saw chain teeth.

Suitable Applications
Suitable for use with an electric hand grinder and compatible with rotary tool applications such as chain sharpening and metal polishing. According to the provided information, these grinding heads can also be applied to materials and work areas such as electric saw components, jade, wood, molds, and steel. Ideal for sharpening chainsaw teeth during routine maintenance work.

Product Summary
This 12-piece set of 5.5mm diamond grinding burrs combines titanium-coated abrasive material, a 3mm shank, and an easy-to-replace design for accurate and efficient chainsaw chain sharpening.