Introducing the newest tools in Klein's Cushion-Grip category. The 10-in-1 Screwdriver/Nut Driver. These multi-bit tools are a must for the professional who seeks a comfortable and timesaving tool. The 5-in-1 has four of the most common screwdriver bits and the reversible barrel can also be used as a 5/16" nut driver when the bit is removed. The 10-in-1 boasts eight popular screwdriver bits found in many applications and the reversible barrel can also be used as a 5/16" nut driver or 1/4" nut driver (with sleeve in place) when the bit is removed. Klein's 5-in-1 or 10-in-1 Screwdriver/Nut Driver helps ensure that you will have the right tool for many fastening jobs.