Drill through the toughest materials with ease with these concrete drill bits This 15 piece set contains a variety of drill bits for masonry ranging in size from 3-10mm. They are of exceptionally high quality, made from tungsten steel which is hard-wearing and long-lasting. They make light work of all heavy-duty masonry drilling tasks. Features: 15 piece masonry drill bit set Made from high-quality tungsten steel for long-lasting sharpness and durability Straight shank drills Sold in a soft grip case Contains: 3 x 3mm masonry drills 3 x 4mm masonry drills 3 x 5mm masonry drills 2 x 6mm masonry drills 2 x 8mm masonry drills 2 x 10mm masonry drills Specification: Pack Qty: 15 piece