Concrete drill GreatFlex Light for professional use. High-density carbide tip with 6% cobalt addition guarantees long-term operation of the drill without changing the diameter. The double helix maintains a constant drilling speed. Alloy tool steel with the addition of chromium increases the wear resistance of the drill to abrasion. Suitable for drilling concrete, stone, granite and brick. Material: alloyed tool steel, carbide insert. SDS-Plus shank. Packing: plastic hanger.