Features: The 43piece magnetic screwdriver bit set features strong magnetic tips for secure screw grip and enhanced stability, ideal for efficient home repairs and professional tasks. Crafted with high hardness alloy steel bit and impacts resistant ABS storage case, this toolset withstands heavy torques applications while maintaining durability in demanding work environments. Perfect for enthusiasts, professional mechanics, and technicians needing reliability precise tools for varied screw types and sizes. Suitable for household maintenance, workshop projects, and industrial setting where quick bit changes and tool longevity are important. Innovative push lock mechanism ensures rapid bit swapping with secure retention, backed by 43piece versatility to tackle diverse fastening challenges effortlessly. Specifications: Component: alloy steel Storage Box Size: Approx.153x101x43MM/6.02x3.98x1.69inch Features: ABS shell/strong magnetic tip design Hardness:HRC58-60, Load bearing capacity:150kg Use scenario: Home repair, Auto repair,Industrial construction; Package Includes: 41pcs Drill Bit 1pc Selflock Connectiong Rod 1pc Extendable Rod note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.