The AEG SDS Max drill bit, with a diameter of 20 mm and a useful length of 400 mm, is ideal for replacing the bit of your drill or chisel. It comes in a package that includes two bits and has a 6-year warranty, which includes 1 year of manufacturer's warranty and an additional 5 years after registering the product online. This warranty also applies to all AEG cordless and corded tools, as well as batteries and chargers, excluding accessories and wear parts. In addition, spare parts for the machines are available for up to 5 years after the completion of their manufacturing.