ITEM NAME:10Pcs 0.5-3mm HSS White Steel Twist Drill Bit Set For Electric Grinding Drilling Material: Steel Color: Silver This 10 pcs white steel drill bits are for DIY grinding and punching (wood, metal, mold polishing purposes). These are high quality white steel drill bits for Dremel electric grinding accessories. Can be used for drilling, such as metal, plastic,aluminium and wood, good wear resistance, punching strength is strong. Features: Can be used for punching, such as metal, plastic,aluminium and wood. Good wear resistance. High working efficiency, perfect punching effect and long using life. Convenient to drilling, simple to use, safe and reliable. Widely used in precision punching technology and slotting, such as vajra bodhi olive nuclear walnut punching. Specifications: Diameter: 0.5/0.8/1/1.2/1.5/1.8/2/2.3/2.6/3mm Quantity: 10Pcs (1Set) Only ship to the confirmed address provided by.These are high quality white steel drill bits for. Quantity: 10Pcs (1Set). Material: Steel. Color: Silver. High working efficiency, perfect punching effect and long using life.