Wood Carving Drill Bit Set: All size is 3mm/1/8inch. 5 drill diameter sizes of 3mm, 4mm, 5mm, 6mm, and 8mm, different size can satisfy your using needs. Mainly applied for woodcarving and detail on bird feathers, fish scales, and more crafts. Also perfect for handmade DIY carving making. Material: Engraving drill tool is made of strong high-speed steel, durable and sharp. The three-sided arc groove can quickly and automatically discharge the from the side holes. that you can the wood and quickly while leaving a smoother surface. Positioning Tool: As the most commonly used marking tool in woodcarving, high-speed steel is also used. It is suitable for polishing, embossing, and marking grooves. It is commonly used in wood carving, carving, and furniture texture carving. diameter: 3mm, blade diameter: 2.35mm, 3mm, length: 47mm. 3- Chuck: Quick change keyless chucks holds accessories with 1/32inch to 1/8inch sizes compatible for all cordless and corded tools. One-piece structure design, alloy material, sturdy and durable, more than plastic models. The 3- chuck is -made, and the built-in spring is stable and durable. This keyless chuck provides a big improvement in precision, under high-speed rotation, it not only maintains stability also improves work efficiency. Material:high speed steel colour:Silver Package Contents: 5 X HSS wood carving bits 1 X positioning tool 1 X quick change keyless chuck Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.