Bosch SpeedX 1-1/2 in. X 21 in. L Carbide Tipped SDS-max Rotary Hammer Bit SDS-Max Shank 1 pc

Highest drilling speed with inclined side cutters provides fast concrete drilling. Compact head for fast dust removal and longer life.
Active-centering tip provides quick and accurate starts
Easy to use
Optimized flute design to reduce bit stress and make the bit run cooler
Wear mark indicator assures accuracy of hole diameter