Klein's HVAC impact rated multi-tool brings a new-to-world design to a classic 11-in-1 screwdriver / nut driver. Each component is compatible with an impact driver, as well as the included screwdriver handle, eliminating the need to carry separate power tool accessories. The tool houses 7 popular tips, converts to 4 nut driver sizes and includes Schrader™ bits. It's the familiar feel of a multi-bit screwdriver / nut driver, with the added benefit of power tool compatibility.