Press the handle, the screwdriver rod will automatically rotatable, achieving the effect of tightening or loosening the screw, faster than other screwdriver These Spirals ratchet models are easy to wear on your wrist, allowing your wrist to rest Simple locking type, pull back the lock shell to open the lock, insert the bit to easily lock the bit Comfortable grip, convenient and practical, 3 adjustment of loose, tight and fixed, easy to use Suitable for all occasions Selected from stainless steel, strong and durability It is small and portable, Manufacturer: MINGLEA