Features: High-quality Material: Made of high-hardness carbon steel shank, solid, , sharp alloy tip. Excellent Performance: Quickly and easily drill a hole with an enlarged top that allows you to fix the screw/bolt while lying below the surface. Good Feature: Recess hole, effectively reduce the risk of panel splitting, makes each screw nail/screw look flush with the surface of the furniture, nice. Different Countersink Dill Bits: The set includes bits of different sizes, sufficient, met for many requirements. Wide Application: Works with electric hand drill or bench drill, very suitable for drilling on wood, plastic, etc. Total two combinations for option5 pieces: 2.8*8mm, 3*8mm, 3.2*8mm, 3.5*8mm, 4*8mm6 pieces: 2.8*8mm, 3*8mm, 3.2*8mm, 2.8*10mm, 3*10mm, 3.2*10mm Specification: Material: Alloy + Carbon Steel Color: Orange & Silver Type: 5pcs/6pcs (optional)Packing Size: 5pcs: 90*90*18mm / 3.54*3.54*0, 70in6pcs: 108*90*18mm / 4.25*3.54*0, 70inPackage Weight:5pcs: 160g / 5.64oz6pcs: 200g / 7.05ozNote:Reaming Drill Bit Parts Set Only, Other Accessories in the Pictures are not included. Due to lighting or other reasons, the image and the material object may differ slightly. Due to manual measurement, there may be deviation, please give priority. Packing List:6*Bit Reamer DrillMany 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