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【Upgrade Version】The rc hex bit set made of heat-treated high quality solid S2 steel and titanium precision machining, ensure high torsion and hardness avoid the bits break and wear, rust-and durable
【Widely Application】Allen wrench set are 1/4 inch quick release hex shank driver bits fit for screwdriver, hand screwdriver, drills and drills
【Multiple Sizes】 Hex wrench set 4pcs different head sizes: 1.5mm, 2.0mm, 2.5mm, 3.0mm can meet your different needs, each drill bit is labeled with it's metric size
【Easy To Use】Magnetic tips enhance attachment to screws for a secure grip, and it can minimize the wear of screws and increasing working efficiency
【 7*24h 】provides 7x24 hours ! Please feel to if you have any questions