Package Contents: 9pcs SDS Drill Bit Set: 5 x 160mm/6 x 160mm x 2pcs/8 x 160mm x 2pcs/8 x 160mm/10 x 160mm/12 x 160mm/14 x 160mm SDS Carbide Tip: YG8C carbide tip ensures fast and easy drilling with long service life SDS Plus Shank: Compatible with all SDS Plus hammer drills. Higher Efficiency: This masonry drill bit has an optimized geometry to Double spiral, efficient removal of chips and possible deposits Wide application: Suitable for all hammer drills with SDS-Plus shank. For use in masonry, brick, concrete and granite.