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 are suitable for various materials. 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: The 2PCS Drill Bit Thread provides a secure fit on electric hand drills, offering stability and control during use. 5. Cost-Effective Solution: This set of 2 Diamond Drilling Core Bits is designed for long-term use and delivers reliable performance. Colour: As Shown Material: Metal Package Contents: 2 × Electric Hand Drill Bit Only the above package content is included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. The measurement allowed error is +/- 1–3 cm.