Description "Product Parameters: Type: Carving Knife Material: white steel Size: 3*3/3*4/3*5/3*6/3*8 The first number ""3"" represents the diameter of this baby's bar. The second number ""4"" is the approximate cutter diameter of the tool. Scope of delivery: Engraving drill (5 pieces) set * 1 Product Description: Quality Material Made of high quality high speed steel with long service lifehas the advantages of high hardness, good wear resistance and heat resistance, which is good for wood carving. Highly EfficientThese edges are designed for faster wood removal. The Sharp High Speed Steel Wood Carving and Engraving Drill Bit Set lets you easily complete all kinds of wood carving projects with faster, more precise detail. High precision and detail Make wood carving easy without damaging the forest. Get precise results with a smooth finish. No editing required. Simple and easy Just clip it into a drill bit and you're done Convenient and easy to use so you can carve wood easily, unlike traditional carving which can damage and hurt your hands. Application Suitable for engraving and milling soft wood, plastic and other soft materials. Can be used for carving, edge and corner chamfering, grooving, rubbing, recessing and other engraving work. To note: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 2. There may be 1-2mm error due to manual measurement. "