Material: Made of high quality high speed steel for long service life, strong and sharp, anti-corrosion, excellent wear resistance. 5pcs engraving tools, packed in a transparent box. Three Blade Design: Increased efficiency, ideal tool for precision work such as deep grooves, V-slots, curved patterns and lines. The three blade design can quickly and automatically clear chips from the hole, suitable for carving, engraving, grinding, drilling and more, leaving a smooth finished surface. Perfect Tool for DIY and Home Repair: Widely used on different types of wood for DIY, wood carving, model making, pet house making, house repairing and other woodworking. A must-have carving tool to create your own masterpiece. 5 different sizes (3mm, 4mm, 5mm, 6mm, 8mm) to meet different needs. Universal Shank: 1/8 inch shank fits most rotary tools with a three-jaw chuck, easy to change. 5Pcs Wood Carving Tools - Engraving Bit Set Material: Made of high speed steel for long life, extremely strong and sharp. Size: 3*3mm, 3*4mm, 3*5mm, 3*6mm, 3*8mm The shanks are all 1/8 inch 3mm, which allows them to be compatible with most die grinders and rotary tools. Suitable for DIY, Woodworking, Wood Carving, Deep Grooving, Root Carving, Engraving and more! Easy to use practice, which will allow you to carve wood effortlessly, unlike traditional carving which can damage and injure your hands.