An electric motor is a device that produces power to operate a power tool. The most popular types of electric motors are gas-powered engines or the ones that are powered by batteries. It is not necessary to have a lot of knowledge regarding this aspect to purchase a power tool. The more common ones are the ones that are powered...

Power tools usually have a motor, a drive system and a clutch. There are some other components to a power tool that is often considered when purchasing one. One of these is the power control unit. This unit controls and regulates the amount of electricity that passes through the battery pack of the tool.

Today, there are various sizes of power tools that are available in the market. Some of them are very large; others small enough to fit in a handbag. You can also purchase power tools in bulk, if you want to save your time in working on each tool separately.