Dewalt DT9702QZ 4 Piece Extreme 2 SDS Plus Drill Bit Set 5.5-10mm

5.5mm,7mm,8mm,10mm SDS PLUS EXTREME 4 PCE SET · · · All bits are made from superior tungsten carbide grade for long life and durability, making it easier to drill through stubborn masonry materials without compromising the bit tip · · It features a hardened body for extra strength and reduced breakage · · Each metal drill bit has a heavy-duty shank for maximum durability and a maximised central core for increased energy transmission · · The drill bit set of 4 pieces is supplied in a plastic case which is ideal for storing and protecting the bits