The Klein Tools line of Multi-Function Drivers, including multi-bit screwdrivers and multi-nut drivers, is designed to increase productivity and save space in a tool belt or bag. Klein’s multi-nut drivers come in two models (6-in-1 and 5-in-1) with multiple interchangeable hex sizes. The 15-in-1 multi-bit screwdriver features a fixed shaft with a 1/4" nut driver and internal storage in the cushion-grip handle for 14 different screwdriver bits. It is available in three models: Classic Multi-Bit Screwdriver, Tamperproof Multi-Bit Screwdriver, HVAC Multi-Bit Screwdriver. Next, the 6-in-1 Ratcheting Stubby Screwdriver is available in two models. One with standard bits and one with standard and square recess bits. Both models also have 1/4” and 5/16” nut drivers. Lastly, the 4-in-1 Electronics Screwdriver features four different interchangeable tips for working on electronics.