【Multi-Purpose】Universal 1/4'' hex shanks fit quick-change and lock firmly in standard chucks, suitable for any drill, driver and screw-gun.
【Full Ranges of Sizes】20 PCS Power Nut Driver Bits Inch: 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16, 1/2 in; 10-PCS Power Nut Driver Bits Metric: 4mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm.
【Convenient Storage】Come with a workbelt storage clip, easier for carrying and organized storage.
【Wide Application】It's widely used in household DIY, auto parts, woodworking, professional machine repairing, etc.