Description: 1. Push-type semi-automatic: The ratchet wheel is connected with the spiral cutter bar. When the handle is pressed down, the screw cutter bar will automatically rotate. Each time it is pressed, the bit rotates 1.2 times. 2. Adjustment switch: The adjustment switch has three gears of loosening, tightening and fixing. According to the adjustment switch device, the effect of tightening or loosening the screw can be achieved. 3. Wide range of uses: Suitable for various occasions, make maintenance easier, solve problems such as narrow space and deep screw position. 4. Wooden handle: Comfortable to hold, convenient and practical, screwdriver head cannot be stored in. 5. Plastic handle: With storage bin design, it is very convenient for bit storage and access. Specifications: Product name: Ratchet Screwdriver Color: Yellow, red Material: Yellow: alloy steel+PP; Red: alloy steel+wood Size: Yellow: About 220*34mm/8.66*1.34inch(L*W) Red: About 217*29mm/8.54*1.14inch(L*W) Package Includes: 1Pc * Ratchet Screwdriver 5pcs * Replacement head