KRETLAW 31PCS Magnetic Nut Driver Set, Impact Drill Driver Bit in Cr-V, SAE & Metric Power Nut Drivers with Quick-Release Extensions & 1/4" Hex Shank

ALL-IN-ONE SET: Your KRETLAW nut driver bit set with universal 1/4" hex shank encompasses an extensive range, including 12PCS metric (4mm to 14mm) and 12PCS SAE (5/32'' to 9/16'') magnetic nut drivers, 3PCS impact socket adapters (1/4'', 3/8'', 1/2''), 1 PC 60mm magnetic bit holder (1/4''), and 3PCS quick-release extensions (60mm, 100mm, 150mm).
ROBUST CR-V CONSTRUCTION: Crafted from robust Cr-V steel, the impact nut driver set, socket adapters, bit holder, and drill extension rods withstand heavy use and shocks, ensuring longevity. Their black treated surfaces effectively resist oxidation and corrosion, delivering reliable quality.
MAGNETIC FORCE & SECURE GRIP: Each nut driver boasts a powerful magnet that securely holds the drill bit in place. Their deep design ensures a firm grip on nuts and bolts during tightening or loosening.
EFFORTLESS SIZE DIFFERENTIATION: Effortlessly distinguish between metric and SAE sizes with intuitive red and blue color coding, simplifying you