Features: Drill bits made of high-quality S2 steel material for maximum durabilityStrong magnets and high precision. Bits include sizes T6, T7, T8, T9, T10, T15, T20, T25, T27, T30, and T40. The high level of biting reduces damage to the screw. You can easily insert them into any 1/4 inch on-x shank of the drill bits for useSpecifications:Material: Chrome vanadium steelQuantity: 11 piecesPackage size: 140*90*10mm Package weight: 180gPacking list:11pcs*screwdriverMany 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