Durable Material Made of hardened and treated chrome tangsten steel for superior strength and durability, wear resistance, durable and long service life.
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Hex Shank Hexagon sleeve is designed with hex shank which can work with electric screwdrivers, hand screwdrivers, electric drills, combination general purpose tools and most standard drill.
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Easy to Read The surface of each hexagonal socket is engraved with a clear size, which is convenient for you to find the nut driver you need quickly.
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