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Selection of security bits for tri-wing, Torx, spanner and hex fasteners in the most popular sizesBits fit all power drills, screwguns, cordless screwdrivers, and magnetic hand drivers.
Security Tamper-proof Bit Set Including Torx, Hex, Star, Torq, Tri-wing, and Spanner
Strong Magnetic Head: Strong magnetic square bit tips maintain magnetism over repeated use for precision work or picking up screws in long, narrow and complex spaces. 1/4" quick change hex shank gives them high adaptability
S2 Material: The allen wrench drill bit is made of S2 alloy steel, and the hardness can reach HRC60 degrees. After heat dealing, it ensures durability and high hardness, not easy to wear
High Precision: The tip of the hex bit head with high precision is more tightly engaged with the fastener and is not easy to slip. The electroplated surface can anti-corrosion and anti-rust,prolong the service life
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