Features: Brand new and high quality The spirals outer wall ensures even distribution, increasing hole accuracy. Our drill bits feature strong chip evacuation, ensuring debris is completely cleared through the chip ejection port. Designed for woodworkers, DIY enthusiasts, and professionals alike, our drill bits are perfect for drilling in wood, plastic, gypsum, and more. Made from high carbon steel, our drill bits are durable and long lasting. Get ready to tackle any drilling task with confidence This wood drill bit is easy to assemble and disassemble, it can be easily installed in a few minutes. Specifications: Material:High Carbon Steel Size:3-13mm Package Includes: 8Pcs Wood Drill Bit note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.