The VJT SDS-Plus Hammer Drill Bit is a high-quality masonry tool designed for drilling into concrete, bricks, and other tough materials. With a diameter of 5.5mm and a length of 160mm, this drill bit is perfect for various drilling applications in the construction and industrial sectors. The pack includes five drill bits, making it convenient for multiple projects or for keeping spares on hand for when you need them. The VJT brand ensures reliability and durability, making this a must-have for any professional or DIY enthusiast looking to tackle tough drilling tasks.