The Makita Masonry Performance Drill Bit is a high-quality tool for use with percussion drills on brick, block, stone, or light concrete. The tungsten carbide tip is manufactured to DIN 8039 standard. Makita currently offers 10 sizes of TCT drill bits. This particular bit has a diameter of 6.0mm and an overall length of 100mm, with a working length of 55mm. It is designed for heavy-duty use and is a reliable choice for professionals and DIY enthusiasts alike.