Storage and organization - 18 grid storage spaces in 5 bit sizes, with color-coded modules to quickly identify types. All bits are kept neatly in a sturdy storage box for fast selection and easy sorting of small parts. Comfort and handling - Non-slip, ergonomic grip with improved friction for added comfort and reduced hand slipping, enabling more efficient use of the precision screwdriver set. Durability and reliability - Made from durable chrome vanadium steel for wear resistance, high hardness and toughness. Built to resist deformation for lasting performance. Performance and versatility - Magnetic screwdriver heads prevent screws from falling or getting lost, allowing secure retention and convenient use during overhead or high location work. Use scenarios - Electronics maintenance and precision assembly: repair smartphones, tablets, cameras, watches, and other small devices. - Home projects and furniture work: assemble furniture, install hardware, or perform small repairs around the house. - Overhead and hard-to-reach tasks: tasks requiring secure screw retention when working above head height or in awkward positions.