Our mini screwdriver keychain features a specially designed flat handle for better control, providing a comfortable and ergonomic grip that allows for easy rotation and tightening of screws. Whether you are repairing bicycles, skis, or toys, this tool ensures better grip and control, making it an indispensable companion for your daily repair needs. This keychain screwdriver has two options: flat head and cross head, and can handle screws of various sizes and shapes. It is very suitable for assembling small appliances, electronic products, and various items at home. The stylish appearance of this mini screwdriver adds a touch of refinement to your keychain. Durable and portable, our repair keychain tool is made of high-quality stainless steel material, which is not only lightweight but also very durable. Wherever you go, you can easily carry it, ensuring that your fingertips always have a reliable and convenient tool. The compact screwdriver has a total length of 63mm, with a cross screwdriver head diameter of 4.3mm (3/16 inch) and a flat screwdriver head diameter of 4.9mm (1/5 inch). This compact and portable design ensures that it fits perfectly on your keychain without adding any extra volume. Whether you are camping, traveling, or just need quick repairs at home, this keychain screwdriver kit is an essential tool that can help you complete various daily tasks. It is an essential companion in any family's daily life, with its lightweight and portable design, it is always within reach when you need it the most. Total length: 63 millimeters Cross screwdriver head diameter: 4.3mm (3/16 inch) Flat head screwdriver head diameter: 4.9mm (1/5 inch). Material: Stainless steel.