Hammer also known as hammer, according to the material of the hammer head has wood hammer, copper hammer, rubber hammer, hammer and so on.

Car repairmen usually use an iron hammer. The types of iron hammers are round – headed hammer and cross – headed hammer. Round head hammer one end is cylindrical, the other end is round cap shape, the middle installation handle size is relatively large. The shape of the crosshead hammer is round at one end and square at the other.

The hammer model is based on the weight of the hammer itself as the unit of calculation. For example, 0.5 kg hammer means the weight of the hammer is 0.5 kg. According to the work needs, car maintenance workers are generally equipped with several types of hammer.

Precautions for hammer use：

1, before use to ensure that there is no oil on the hammer surface and handle, in order to prevent the hammer from slipping from the hand in the process of use, causing injuries and damage to the accident.
2, before use to check whether the handle is firmly installed, there is no cracking phenomenon, to prevent the hammer head out of the accident. If the hammer head is loose, it can be plugged with a wedge. If the handle is cracked or broken, it should be replaced with a new handle immediately.

3. It is very dangerous to use a damaged hammer. When struck, the metal on the hammer may fly out and cause an accident. Wear protective glasses when using a hammer to hammer a basket, punch and other tools.