1. [Portable Storage]Mini screwdriver set design, small size, easy to put into pocket, easy to carry 3. [Extension rod design]Extension has 3 telescopic gear lengths, the extension rod can be adjusted to the appropriate length as needed 2. [30 screwdriver heads]30 different sizes of micro screwdriver heads, allowing you to easily cope with various repair needs, suitable for various light and small electronic product repairs, such as mobile phones and other small digital devices 4. [T-type wrench]When high torque is required, the handle can also be combined with the extension rod and used as a T-type wrench, Weight: 0.20723452628 Pounds, Manufacturer: Tuidzljd