Compact and convenient, easy to use. This product will make your life easier and convenient. Features: Made of excellent steel materials with high durability, long-term use. High wear resistance and corrosion resistance, and it is not easy to rust and oxidation resistant in humid environments. 5 different specifications can meet your diverse use needs. 6.3mm chuck diameter, suitable for most electric hand drills and lithium electric drills on the market Easy to use and convenient. Specifications:Material: SteelItem Color: Black/Grey (Optional)Package Size: 100*70*10mmPackage Weight: 90gPacking List:Set of 5 pcs. Grinding h-eadMany questions about Dropshipping services are as follows: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