- Set of 99 Hi-Spec drill bits designed to drill a wide variety of materials such as wood, plastic, metals, and masonry (concrete or brick). - Selection of popular metric sizes: 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 8.0, 10.0 mm, ideal for repair, maintenance, and DIY tasks. - Drill bits made of high-speed steel (HSS) and coated with titanium, which improves strength and maximizes durability. - Includes a sturdy organizer case with metal latch and printed sizes for easy identification and access. - Compatible with electric drills, screwdrivers, and drivers, both corded and cordless. - Versatile tool for completing DIY, repair, and renovation jobs that require drilling.