Bosch 2608900589 Marble Sverlosu Hex-9 Hardcer 5x90 is a high performance tool designed specifically for use on hard stones, marble and other high density materials. With 5 mm diameter and 90 mm length, this is an ideal choice for Sverlos, accurate and deep perforation work. This tool produced with Hex-9 hardcer technology provides maximum performance and long life with cutting ends and custom designs. During the cuts on hard materials such as marble and concrete, it generates a comfortable working environment by reducing the noise and vibration. This tool, which is developed with the perfect engineering technology of Bosch, provides long-term use with high heat resistance and less wear. It is a high quality and reliable choice for both professional and amateur users.