Features: Brand new and high quality Self-contained high-definition ruler: Scales are printed on the side of the body to accurately measure all kinds of objects. Hidden batch storage bin: 22 types of batch head are all stored by magnetic attraction and stored in the pen body, which is clean, convenient and not easy to lose. Quick disassembly and assembly of magnetic suction batch head: Magnetic suction batch head designed, only close to the position of batch head, the batch head can be adsorbed and installed, saving time and effort. Exquisite and light, easy to master: The screwdriver is light and compact, and is commonly used in a variety of screwdriver storage and pen body, which is comfortable to hold and does not slip. Non-slip handle, easy to operate: Frosted surface texture, better grip on finger, and no slipping at work. Specifications: Material:Aluminum Alloy+Plastic Type:Aluminum Alloy Handle/Plastic Handle Size:Approx.125x19mm/4.92x0.74inch Package Includes: 1 Set Precision Screwdriver note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.