The Lenox Tools 23932 9-in-1 Multi-bit Screwdriver is a versatile and comfortable driver that will allows you to work with a variety of fasteners. The 9-in-1 Screwdriver features a slip resistant, ergonomic grip that Maximizes the amount of torque you can use. The tool has a number 1 Phillips bit, number 2 Phillips bit, 3/16 inch slot bit, 1/4 inch slot bit, number 2 Square drive, number 3 Square Drive, 1/4 inch Hex Bit, 5/16 inch Hex Bit, and a 3/8 inch Hex Bit. 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.