This multi-nut driver featuring multiple sizes in one tool will reduce the number of individual nut drivers in your belt. The sizes are interchangeable ensuring you have the size you need when you need it. Color coded shaft ends make it easy to identify the size. Increase your productivity and lighten your load with this multi-nut driver. This Klein screwdriver/nut driver includes 3/16 in, 1/4 in, 5/16 in, 3/8 in, 7/16 in and 9/16 in six-point hex nut drivers Solid build quality with nut drivers that exceed the standard torque performance Hollow shafts accommodate long bolts Color-coded bands for easy identification Wrench-assist to help remove stubborn fasteners