Hilti's collection of 2-Tool Cordless Combo Kits is the essential item in jobsite versatility with overall performance and durability. This compact class combo kit features lithium-ion batteries with compact high-performance and it also features 2 effective and rugged Hilti cordless tools: The Hilti SF 6H-A22 offers industrial class performance in a compact size package to help you get into tight spaces. It is loaded with industry first technology unmatched by other competitors. The Hilti SF 6H-A22 is the first cordless drill to incorporate Active Torque Control (ATC), that senses and reduces potential kick back felt by the user when the tool binds. Active Torque Control can reduce the risks associated with wrist injuries by shutting off the tool if the housing begins to rotate too quickly, helping to keep you safe and on the job. The Hilti SID 4-A22 cordless impact driver delivers excellent performance in a compact, lightweight package to get you into tight spaces. It has been redesigned into an ergonomically streamlined shape and offers 4, ultra-bright LEDs positioned around the front of the tool to provide maximum illumination of the base material. The new handle and trigger shape gives you more control and improved precision in screw fastening applications. The SID 4-A22 cordless impact driver delivers a big impact in a small package to keep you going, even when you're in a tight spot.