MIBRO 24-Piece HSS Drill Bit, Screwdriver Bit and Nut Setter Set is ideal for general-purpose drilling and fastening in all wood types, plastics and soft and mild metals. This set includes: 12 jobber length HSS drill bits, ranging in size from 1/16-1/4 in. inclusive (in 1/16 in. increments). 135° split-point tips start drilling on contact with less force and eliminate walking or skating across the work surface. Drills feature a 3-flat shank, ensuring a secure grip in the drills chuck. 8 2 in. power screwdriver bits in the most popular head types and sizes: Phillips, Square Recess and Slot. Made from premium S2 Molybdenum Tool Steel, these bits have the perfect balance between hardness and torque and ensure an exact fit in the screw head. 4 non-magnetic nut setters (1/4, 5/16, 3/8 and 7/16 in.) for fastening hex-head bolts and nuts. Most common sizes included. Forged from premium CrV steel, they will ensure a secure fit on the fastener and drive the project to completion. The set is packed in MIBRO patented, heavy-duty MBX case with molded rubber corners for hard impact protection.