General description The CCYKXA 21Pcs Screwdriver Bits Set includes a variety of high-quality magnetic screwdriver bits designed for versatility and ease of use. With a total of 21 bits, this set is perfect for both professional and DIY projects. Technical specifications Material: S2 steel Hardness: HRC60 Length of bits: 100mm Types of bits: 11 Torx (T6-T40), 4 Hex (3mm-6mm), 3 Phillips (PH2), 3 Slotted (4mm-6mm) Shank size: 1/4 inch Hex Compatibility and accessories Compatible with popular brands of electric screwdrivers Suitable for manual screwdrivers, electric drills, and pneumatic drills Usage Ideal for various applications in home improvement and DIY projects Magnetized bits for easy handling of screws Other information Bits are heat-treated and sandblasted for durability Each bit features a laser mark for easy identification