This screw tool is made of high quality aluminum alloy material with high strength and wear resistance, good performance and long service life, comes with 8 different screwdriver bits for different types of screws, which makes you feel convenient, generally suitable for small screws, compact size, easy to carry, screwdriver bits can be stored in the pen handle, easy to install Dimensions and shapes are designed to be precise and tightly fitted, easy to install and dismantle, saves your time and effort, you can add it to your hand tools, home improvement supplies or office gadgets to assemble shi or repairs when needed, and it can satisfy most of the needs of your daily use. QTY for 3000 pcs and over by the ocean.