A screwdriver is a tool used to twist a screw to force it into place. It usually has a thin wedge-shaped head that can be inserted into the slot or notch of the screw head - Beijing-Tianjin-Hebei Jin and Shaanxi-Shanbei and Yubei.
The tape measure can be rolled up because the spring inside the tape measure is actually lengthened by the length of the ruler and the spring when the measurement length is pulled out.
The steel tape measure consists of a casing, a ruler, a brake, a ruler hook, a strap, a spring, a drop protection sleeve and eight components. The details are as follows
Wrenches are a common installation and removal tool. Use the principle of leverage to twist bolts, screws, nuts, and other hand tools that hold the opening or socket firmware of the bolt or nut.
