An Angle Grinder has a rotating disc and is also known as a side grinder or disc grinder, it is a handheld power tool used for grinding (abrasive cutting) and polishing the angles. These grinders can be powered by electricity or battery for easy use at several places. They can be for the wood, concrete, metal, etc purpose of cutting, polishing, finishing, grinding, etc. on construction and other repairing or finishing. They are very powerful and are manufactured in various designs and specifications depending on the application. The Angle Grinder is very efficient and easy to hold.