- Stable locking arm with a magnetic multi-bit screwdriver set provides highly stable operation and long service life. - The screwdriver set features a strong magnetic function that securely holds small tool heads and fasteners, making delicate disassembly of electronic devices easier. - Multifunctional magnetic ratchet handle and screwdriver set with an ergonomic design offers comfortable use and a secure grip. - 42-piece industrial steel screwdriver bits with continuous heat treatment and carburization refinement deliver industrial-grade durability: hard yet not brittle, with full toughness. Use scenarios - Electronics repair and maintenance: ideal for smartphones, tablets, laptops, cameras, and other small electronic devices where tiny screws must be held securely during disassembly or reassembly. - Home and office appliance service: suitable for delicate disassembly and repair of household electronics and appliances that require precise, repeatable torque. - Professional workshop and industrial maintenance: designed for demanding tasks in a workshop environment, providing reliable performance and long life for routine maintenance and repairs.