28 mm length hex screwdriver bits made from strength alloy steel for long lasting durability and wear resistance. Magnetic design helps hold screws during operation, improving handling and speed and reducing dropped fasteners. toughness resists rupture and wear, ensuring reliable performance over time. Wide compatibility with pneumatic screwdrivers, electric screwdrivers, rechargeable drills, and other tools for versatile use. Suitable for electronics, household appliances, precision instruments, and furniture to meet professional needs. Common applications: Electronics assembly and , small device maintenance, and precision work requiring reliable hex bits. Furniture assembly and hardware installation where secure, quick screw driving is beneficial. Maintenance of precision instruments and other professional tasks that demand durable, wear resistant bits.