Professional Size Selection : A comprehensive set featuring T6 through T40 sizes, ideal for various applications requiring precision and reliability. Hex Shank Security Tamper Proof : Designed with a 6.35mm top diameter for enhanced stability and security, ensuring the bit holds fast during torque application. Impact Drill Bits : Crafted to withstand high torque, making them suitable for demanding projects in automotive, motorcycle, and electronics repair. Magnetic Torx Head : Equipped with magnetized tips for easy screw retention, enhancing efficiency and reducing the risk of losing small screws. Widely Application : Compatible with both electric and manual screwdrivers, these bits are indispensable for professional technicians and DIY enthusiasts alike. Elevate your repair toolkit with our Professional Torx Head Screwdriver Bit Set, engineered for precision and durability. Each bit is meticulously crafted from S2 steel for unparalleled strength, ensuring longevity even under rigorous use. With a 75mm length and a magnetic tip, these bits offer both convenience and performance, making them an essential addition to any workshop.