• 28-piece complete set including 18 SAE and metric hex keys, 4 adapters, 5 bits, pass-through handle, and pass-through ratchet. • 90-tooth pass-through ratchet with slim profile for working in tight spaces and on threaded rods. • Impact-rated components designed for high-power applications. • Includes pass-through cushion-grip screwdriver compatible with the KNECT system. • Storage system compatible with MODbox and stackable with other similarly designed cases. • Versatile adapters allow components to be used in a 1/4 inch impact driver. • 1/4 inch magnetic wrench that also functions as a standard bit holder.