The screwdriver set is fine workmanship, good quality, sufficient hardness for knife heads and high precision for knife-type . It will not easily deformed and broken during use. It is scientific design for high-quality anti-static handle. And the handle mouth for locking blade shank that with a six-sided design, effectively prevent the tool extraction and sliding during use . All heads are magnetic, in addition to firmly suck the handle, but also pull screws effectively. The separable bottom box design is to increase your convenience and speedy .It is also easy to carry as the full plastic box . It can be used to dismantle all kinds of mobile phones and other types of appliances! All in all, it is an essential tool for your everyday life.”