Features: Brand new and high quality The diamond-tipped drill bit allows for quick and efficient drilling through concrete and cement wall, making it a must-have for any DIY enthusiast or professional contractor. Made with high-quality diamond material, this drill bit is built-to-last and can withstand even the toughest drilling jobs. Designed for use by both professionals and beginners, this versatile tool is perfect for anyone looking to take on home improvement projects or construction work. Whether you are installing air conditioning units, drilling holes for plumbing or electrical wiring, or simply making renovations to your home, this drill bit is perfect for all sorts of tasks. With its durable design and easy-to-use functionality, this diamond-tipped drill bit is sure to become a staple in your toolboxes for year to come . Specifications: Material:Diamond Type:Dry Hit 38x370/ Dry Hit 44x370/ Dry Hit 51x370/ Dry Hit 76x370 Size:As shown in the figure Package Includes: 1x 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.