The general family will more or less prepare some hand tools, hand tools can provide good help for home electrical repair and maintenance. What are the classifications of tools? Tools are divided into screwdrivers, wrenches, hammers, tape measures, wallpaper knives, electrician's knives, hacksaws, and so on. The following is a detailed introduction to the classification of tools.

The general family or business more or less will prepare some tool sets, tool sets for household appliances, or assembly items to provide good help, so how to use the tool set safely? The following is a detailed introduction.

Wrenches are a common installation and removal tool, a hand tool that uses the principle of leverage to unscrew bolts, screws, nuts, and other threaded fastening bolts or nuts with open or socketed firmware. Wrench tools are usually made of structural steel of carbon or alloy material. The following is an introduction to the information.

Wrench tools are divided into two types, dead wrenches, and live wrenches. The former refers to wrenches that already have a fixed number written on them, and the latter is the movable wrench. Here are the details of the types of wrench tools.

Pliers tools by performance can be divided into clip twist type; shear-type; clip twist shear type. By type can be divided into hydraulic pliers; crimping pliers; hydraulic wire pliers; wire stripping pliers; rechargeable hydraulic cable pliers. According to the shape can be divided into the pointed mouth; flat mouth; round mouth; curved mouth; oblique mouth; needle mouth; top cut; wire pliers; flower gill pliers. According to the use can be divided into DIY, industrial-grade pliers with, special pliers, etc. According to the structure of the form: through the gills and stacked gills two. Usual specifications are: 4.5" (mini pliers), 5", 6", 7", 8", 9.5", etc. The following is a detailed description of the types of pliers tools.