[Great Tool for DIY and House Repair] Widely use on various kinds woods for DIY, wood carving, model making, pet house making, house repair and other wood working, a must-have carving tool to create your own masterpiece. 5 different sizes(3mm,4mm,5mm,6mm,8mm) meets different need. [Material] Made of high quality High Speed Steel for long life, strong and sharp, anti-corrosion, good wear resistance. 5Pcs engraving tools packaged in a clear box. [Three Blade Design]More efficiency, ideal tool for detailed work such as deep grooves, v-slots, curve patterns lines. Three blade design can fast discharge chips from the hole on sides automatically, suitable for carving, engraving, grinding, drilling and more, and leaving a smooth finish surface. 4. Universal Shank- 1/8 shank fit most rotary tools with three jaw chuck,easy to change. [Universal Shank]1/8 shank fit most rotary tools and drill, easy to change.