16pcs Magnetic & Deep Nut Driver Set - 1/4" to 9/16" SAE Hex Drivers with 3" Long Shaft, Quick Change 1/4" Shank for Impact Drills & Tight Spaces

16-piece comprehensive set: Covers 1/4" to 9/16" SAE hex sizes for diverse nut-driving tasks Magnetic & deep design: Securely holds nuts/screws and reaches recessed fasteners in tight spaces Quick-change 1/4" shank: Enables fast tool switching, boosts work efficiency