Do you need a screwdriver bit set with a screw chuck and nut drivers to complete various DIY jobs around the home or workspace? This sturdy, hard-cover aluminium case set has you covered. It is pocket sized for simple storage while on-the-go. The tools are coated with black oxide to ward off the formation of rust and corrosion. This kit includes 14 heat treated, interchangeable, long-shaft, screwdriver bits. Also included is a 3 piece nut driver and locking screw chuck. The screw chuck works by gripping the blades tightly in place and enabling fast swapping and changing of attachments. The chuck has a versa-grip handle for extra grip and comfort during use. Bits included in the set: 3/64", 1/16", 5/64", 3/32", PH000, PH00, T6, T7, T8, T9, pointed cone, hex: 0.05, 1/16", 5/64", nut driver sockets: 3/32", 1/8", 5/32"