1. Premium Quality: Our 2PCS Drill Bit Thread Vacuum Brazed Dry Cut Diamond Drilling Core Bits are crafted for exceptional durability and performance, ensuring a smooth and efficient drilling experience every time. 2. Versatile Application: Designed specifically for use with electric hand drills, these 45mm Hole Saw Cutters excel in various materials, making them ideal for both professional contractors and DIY enthusiasts alike. 3. Innovative Design: The vacuum brazed technology used in our diamond drilling core bits minimizes friction and enhances cutting speed, allowing for faster hole creation without compromising on quality. 4. User-Friendly: With an easy-to-use design, the 2PCS Drill Bit Thread allows for a seamless fit on your electric hand drill, providing stability and control as you work on multiple projects. 5. Cost-Effective Solution: This set of 2 Diamond Drilling Core Bits is not only a reliable choice for long-term use but also offers outstanding value for anyone looking to invest in high-quality drilling tools. Colour:As Shown Material:Metal Package Contents: 2 * Electric Hand Drill Bit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.