"Product parameters: Weight: 35g 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 digit ""4"" is the approximate diameter of the tool knife. Scope of delivery: Engraving drill (5 pieces) set * 1 Product Description: 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.Very EfficientThese edges are designed for faster wood removal.The Sharp High Speed Steel Wood Carving and Engraving Drill Bit Set allows you to easily complete all kinds of wood carving projects with detail faster and more accurate Accuracy and detailMake wood carving easier without damaging the forest. accurate 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. 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. "