This is a set of cutter parts set, 12pcs bits per set, made of carbide material, with high hardness and strong torsion resistance. All blades heat treated, with high concentricity and high accuracy. carbide blades with fast cutting, smooth rotation, operating light. You can give it a try. Features: High clamping force, high impact resistance, long service life. All blades heat treated, with high concentricity and high accuracy, high hardness and high wear resistance. carbide blades with fast cutting, smooth rotation, operating light. The blades adopt high-frequency welding and excellent connection with the mandrel body, high strength and high wear resistance. Two kinds optional: 1/4" shank and 8mm shank, you can choose according to your requirements. Comes with one wooden box, compact and portable, easy to carry with you. Widely used: suitable for drilling in wood, particle board, MDF board, plastic board, compression board. Standardized parts and components, please check compatibility before ordering. Note: Not suitable for glass, metal, drywall, concrete. Specifications:Name: 12pcs Cutter Parts SetShank Diameter: 1/4" shank, 8mm shank(Optional)Packing Size: 165*125*50mm/6.50*4.92*1.97in Package Weight: 500g / 1.10lbPacking List:3 * Straight Bit (Wx6/Wx12/Wx16mm)1 * 90°V Grooving Bit (Wx12.7mm)1 * Dovetail Bit (Wx12.7mm)1 * 45° Chamfer Bit (Wx32mm)1 * Finish with Bearing (Wx12.7mm)2 * Rounding Over Bit (WxR6.3mm/WxR9.5mm)1 * Box Box Bit (WxR6.3mm)1 * Cove Bit (WxR6.3mm)1 * Roman Ogee Bit (WxR4mm)Many 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