This BGS TECHNIC - 7894 SDS Shank Drill Bit Set, consists of 56 drill bits of different sizes and diameters. The hard metal tipped drill head allows you to powerfully drill through a concrete wall without any difficulty. The drill bits are supplied in a box and are all neatly arranged with a dedicated slot for each size of drill bit. You will find the sizes listed on the top of your case to make your job easier. Advantages: High quality and durability For precise and controlled drilling in masonry, natural stone and concrete Long-lasting use Direct power transmission to the drilling point For use in jackhammers and percussion drills High drilling stability Right-hand cutting edge Features: 3 impact drills 8 mm, 210 mm 3 impact drills 10 mm, 210 mm 5 impact drills 5 mm, 160 mm 5 impact drills 6 mm, 160 mm 5 impact drills 8 mm, 160 mm 5 impact drills 10 mm, 160 mm 5 impact drills 12 mm, 160 mm 5 impact drills 4 mm, 110 mm 10 impact drills 5 mm, 110 mm 10 impact drills 6 mm, 110 mm Dividing point: 135. Weight: 4300 g Packaging: One Set of BGS TECHNIC SDS Shank Drill Bits - 4-12 mm - 56 pcs - 7894Delivered in original packaging