Features: Upgrade your tool bag with this 31 in 1 multifunctional screwdriver components, equipped with interchangeable hardened steel heads for plus sign, flat, grooved, and square screws. This components is composed of industrial grade metal conversion metal steel, which is wear-resistant and anti stripping, and is equipped with a ergonomic anti slip handle. Very suitable for handmade enthusiasts, professional technicians, and home users who require exactness tools for electronic device maintenance,. Easily handle complex repairs in workshops, home garages, or outdoor settings - from adjusting glasses screws to assembling furniture. The sign plastic box securely locks all 31 tools in the marked slots, ensuring portability and quick identification. Specifications: Materials: Steel, Plastic. Size: 11x5cm. Weight: 120 grams. Specifications: 5 plus sign heads, 7 single wire heads, 6 Hexastar heads, 8 hexagonal heads, 1 Y-shaped head, 1 triangular head, 1 Quintuple star head, 1 U-shaped head, and 1 screwdriver handle. Usage scenario: [Mobile phone repair] Quickly disassemble the phone case, replace the screen, battery, and other components. Package Includes: 5 plus sign heads, 7 single wire heads, 6 Hexastar heads, 8 hexagonal heads, 1 Y-shaped head, 1 triangular head, 1 Quintuple head, 1 U-shaped head, and 1 screwdriver handle. 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.