10-Piece Security Torx Bit Set 1/4-inch Drive Tamper Proof Torx Bit Set 3.93-inch Long S2 Steel Magnetic Screw Driver Bit Set for Power Screwdriver Electric Hand Drill

Features:
Security Star Bits - Tamper proof torx bits have a round hole in the middle, match the torx screws that have a pin.
Optional Sizes - Offers star bits in sizes T6, T7, T8, T9, T10, T15, T20, T25, T27, T30, and T40 for you to choose, 10 pieces a set.
Standard Bits - 100mm(3.93in) length, 1/4 inch drive, suitable for pneumatic screwdriver, electric hand drill, power screwdriver, and more.
Magnetic Tip - Non-slip magnetic tip helps to prevent from sliding out, easy to attach screw.
Shock Resistant - Made of heat treated S2 tool steel, high hardness, high torque, solid and sturdy for long term use.
High Quality - With presentable blueing surface, the bits are well-made and not easy to fade and rust.
Wide Application - Used to unscrew mass airflow sensors, throttle position sensors, anti-theft license plates, air bag components, bicycle brake systems, etc.