The DeWalt DT7403‑QZ is a precision-engineered 10 mm magnetic nut driver crafted from hardened steel with a black oxide finish. Designed to withstand heavy-duty use, its industrial-strength magnet securely holds nuts and bolts, minimizing dropped fasteners and enhancing one-handed operation. With innovative recessed corners, this driver effectively engages flats without digging into hardware, reducing wear and potential damage.