1. High hardness material: Made of chrome vanadium steel alloy, strong and durable. It is small and portable and can be placed in your toolbox. 2. Push ratchet screwdriver: press the handle, the screwdriver shank will rotate automatically, to achieve the effect of tightening or loosening the screw, faster than other screwdrivers. 3. Easy disassembly and assembly: Simple self-locking type, pull the locking shell to open the lock, insert the bit to easily lock the bit. 4. Semi-automatic screwdriver: These spiral ratchet models are easier to wear on your wrist, allowing your wrist to rest. 5. Adjustment switch and comfortable handle: comfortable, convenient and practical grip, 3 adjustment modes: loose, tight and fixed, easy to use. your beauty for all kinds of occasions Size: Red Features: 1. [High hardness material] Made of chrome vanadium steel alloy, strong and durable. It is small and portable and can be placed in your toolbox. 2. [Ratchet screwdriver]: press the handle, the screwdriver shaft will rotate automatically, to achieve the effect of tightening or loosening the screw, faster than other screwdrivers. 3. [Easy disassembly and assembly]: simple self-locking type, pull the locking shell to open the lock, insert the bit to easily lock the bit. 4. [Semi-automatic screwdriver]: These spiral ratchet models are easier to wear on your wrist, allowing your wrist to rest. 5. [Adjustment switch and comfortable handle] Comfortable, convenient and convenient grip, 3 adjustment modes of loose, tight and fixed, easy to use. your beauty for all kinds of occasions Description: Material: steel alloy, polypropylene. Heat treatment: HRC45-50. System: metric. Handle color: red Weight: 144 g (red) Length: 29 x 217 mm (wooden handle) This product uses a ratchet wheel to connect to the spiral bar. When the handle is pressed down, the spiral bar will automatically rotate. Each time it is squeezed, the mouthpiece rotates 1.2 times. Depending on the device setting switch, the effect of tightening or loosening the screws can be achieved, which is suitable for various occasions. Adjustment switch: 3 speeds are available for loosening, tightening and fixing. Wooden handle: comfortable to hold, practical and practical, screwdriver heads cannot be stored. Plastic handle: With a trash can design, it is very convenient for storage and access. Content: 1 ratchet pull-out screwdriver. 5 replaceable heads.