Features: A screwdriver 11 in 1- Easy to match: With a reasonable combination design, consider the product functions from the perspective of consumers, and a set of tools can be easily used to meet daily needs. 10 high-precision batch head, with a total of 4 types: suitable for product maintenance, home appliance maintenance, outdoor maintenance, factory maintenance, etc., to meet the needs of most precision maintenance. High toughness chromium vanadium steel material: The batch head is made from chromium vanadium steel material, which is sturdy, durable, and quenched as a whole, with high hardness and good toughness. Aluminum alloy handle, comfortable and anti slip: Excellent materials achieve excellent hand feel, using high-quality aluminum alloy sleeve handle design for beautiful appearance, comfortable grip and anti slip. The extended design of the batch head is suitable for more complex environments: the batch head can be extended to 45mm, which is suitable for more complex environments. Buckle design, the batch head is not easy to fall off: The plastic shells packaging is convenient for storage and comes with a buckle to lock the batch head, which is not easy to fall off and protects the batch head. Specifications: Material:Chrome Vanadium Packing 116mm/4.56''×80mm/3.15''×33mm/1.29'' Package Includes: 11 in 1 Precision Screwdriver Set note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.