This 33-in-1 Professional Security Bit Set includes all the essential bits needed for tamper-proof screw removal in electronics, home security systems, and household appliances. With its magnetic bit holder and wide compatibility, it offers a reliable solution for both professional repair work and home DIY tasks. Main Features: 33-piece multi-type bit set includes tamper-proof Torx, Hex, Tri-wing, Spanner, and more Equipped with a magnetic bit holder for quick, secure bit changes Ideal for electrical, computer, home appliance, and security device repair Compact and durable storage case for easy transport and organization Designed for use with electric screwdrivers, drills, and manual drivers Specification: Type: Security Bit Set Material: S2 Steel Use For: Tamper-Proof Screws, Electronic Repairs, Masonry Drilling (for included Center Drill Bit) DIY Supplies: Electrical Bit Count: 33