Material: Made of high quality high speed steel for long service life, strong and sharp, anti-corrosion, excellent wear resistance. 5pcs Engraving Tools 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 for creating your own masterpiece. 5 different sizes (3mm, 4mm, 5mm, 6mm, 8mm) to meet different needs. Universal Shank: The 1/8 inch shank fits most rotary tools with a three-jaw chuck, easy to change. Size: 3*3mm, 3*4mm, 3*5mm, 3*6mm, 3*8mm The shanks are all 1/8 inch (3mm), making them compatible with most die grinders and rotary tools. Suitable for DIY, Woodworking, Wood Carving, Deep Grooving, Root Carving, Engraving and more! Practical & Easy to use, which will allow you to carve wood effortlessly, unlike traditional carving which can damage and hurt your hands. Delivery quantity: 5 pieces Product color: silver Product size: 3, 4, 5, 6, 8mm Note: Please allow 1-3cm error for manual measurement!!! Seuais