Push Pull Ratchet Screwdriver Set 6 in 1 Press Type Semi-Automatic Rotary Spiral Screwdriver Bit Multi-Function Tool Multi-Function SetFeature:This product uses a ratchet wheel to make up the spiral knife bar. When the handle is pressed, the spiral knife automatically rotates. Each time it is pressed, the bit rotates 1.2 times. According to the adjustment of the switching device, you can achieve the effect of tightening or loosening the screws, which is suitable for different occasions. Adjustment switch: three gears are available for loosening, tightening and fixing. Wooden handle: comfortable to hold, convenient and practical, screwdriver heads can not be stored. Plastic Handle: With the design, the storage basket is very convenient for bit storage and access. Specification: Material: Alloy Steel, PPOPheat Treatment: HRC45-50System: MetricWeight: Type A: 144g (Red), Type B: 124g (Brown) Length: Type A: 29*217mm (Wood Handle), Type B: 34*220mm (Plastic Handle); Note:Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Please allow 1-2cm measurement deviation due to manual measurement.1 x Semi-Automatic Rotary Spiral Screwdriver5 x Replacement Bits