High speed steel drill bits are multifunctional and practical for interior decoration and industrial applications. The drill bits can be used to drill or expand wood, stainless steel, mold steel, steel plate and various types of metallic material. The perfect accessories for your electric drill! Features: 6pcs/set: 4-12mm/ 4-20mm/ 4-32mm step drill bit, 3mm/ 6mm/ 8mm drill bit. Packaging with plastic bag or plastic container for vuffing in box for option. High-speed steel, high strength and durability. The Ti plating surface reduces the likelihood of the drill bit and material binding. This drill bit set can meet different needs and is mainly used for wood, stainless steel, mold steel, steel plate and various kinds of metallic material. Excellent accessories, the drill bits can be compatible with the electric hand drill and the lithium powered by the battery of the electric drill. A multifunctional and practical tool for woodworking, decoration, DIY, industry, etc. Compact and lightweight, easy to carry. Note: Size and color may vary slightly due to manual measurement and different lighting conditions. Thank you for your understanding. Specifications:Package: Plastic Bag/Plastic Box (Optional)Material: High Speed SteelSurface Treatment: Ti platingStep Drill: 4-12mm/ 4-20mm/ 4-32mm Saw: 3mm/ 6mm/ 8mmPackage Size: 12*10*3cm/4.72*3.94*1.1, 18in (Plastic Bag); 17 * 11.6 * 3.3cm / 6.69 * 4.57 * 1.30in (Plastic Box)Package Weight: 270g / 9.52oz (Plastic Bag); 400g / 14.11oz (Plastic Box)Package List:3 * Step Drills3 * Drill BitsMany questions about Dropshipping services are following:1. How many orders can you handle per day? We are a large company in Shenzhen, China, with a large warehouse that can handle large orders every day. We ship countless packages every day. We can guarantee the order you request.2. How fast can you process orders? We will arrange the shipment as soon as possible after you pay for your order. Priority delivery for dropshipping order3. Can you ship an order without any receipts, invoices and promotional offer inside the package? Absolutely! No invoices, receipts, promotional offer if you leave notes on the order (if you want, we can deliver.)4. If you need other products? We can supply most of the products you need as much as possible1If you have any other questions, please feel free to . We are very grateful for your cooperation with you.5. We can support Dropshipping of CSV/Excel files.6. There is no limited inventory to fulfill orders on a daily basis