The 6-in-1 Screw Driver features a slip resistant, ergonomic grip that maximizes the amount of torque you can use. The tool has a #1 Phillips bit, #2 Phillips but, a 3/16-Inch slot bit, a 1/4-Inch slot bit, a 1/4-Inch Nut Driver and a 5/16-Inch Nut Driver. The walls on the nut drivers are 25% thicker than traditional nut drivers which reduces stripping and provides a longer life. This tool is ideal for anyone who deals with a variety of different fasteners on a routine basis, like electricians and maintenance workers.