1、2.35mm shank diameter, suitable for use with all kinds of electric or pneumatic engraving tools. 2、Made of tungsten steel, high hardness, good wear resistance, capable of grinding and engraving a variety of materials. 3、The unique shape of the head makes the grinding more efficient. 4、Suitable for a variety of materials, such as: wood, plastic, soft metal, etc. 5、Whether you are a professional sculptor or an amateur, these tools can meet your needs for engraving and polishing. Feature: 2.35mm shank diameter, suitable for use with all kinds of electric or pneumatic engraving tools. Made of tungsten steel, high hardness, good wear resistance, capable of grinding and engraving a variety of materials. The unique shape of the head makes the grinding more efficient. Suitable for a variety of materials, such as: wood, plastic, soft metal, etc. Whether you are a professional sculptor or an amateur, these tools can meet your needs for engraving and polishing. Specification: Material: Tungsten steel Shank: 2.35mm Package list: 1 * Wood Burr Bit Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product.