Wrench is a tool for tightening the bolt or screw based devices have a long header. especially shaped to fit the device to use for the log device, such as a bolt made from steel by the majority.
Wrench is a tool for tightening the nut or screw mount devices feature a long handle header are shaped to fit the device. To use the device, such as a lock nut. Most steel
Wrench is a tool for tightening screw nut, or based on the devices are ยาวส่วนหัว handle shape is fit with the device. For the locking devices such as knots. Production of steel mainly.