Attributes:* Material: S2 Alloy Steel* Size: TT20 TT25 TT27 TT40 TT45* Hex Shank: 1/4"* Total Length: 50mm / 2"What Is Included:* 5 Pieces x Magnetic Security BitApplications & Features:--- Screwdriver bits set can be used in furniture installation, car maintenance, electronic factory, office installation, kitchen installation, etc.--- The magnetic bit tip can hold the screw securely before installation and after removing the screw to improve efficiency.--- Security bits are made of S2 alloy steel, with good toughness, the surface of the security torx bit set is nickel plating treatment for good anti-rust and wear-resistant and durability, and is suitable for industrial use.Useful Tips:--- Do not turn the screws with mismatched sizes to avoid damage to both the screw and the drill.
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