ACTINTOOL is an attachment for angle grinder, which is designed to work on hard surfaces. It is made of cast iron and has several moving elements with teeth that leave notches on hard material. The device can be used for many tasks - for example, to prepare the surface of concrete for further processing, to create anti-slip notches on granite tiles and many others. It is recommended to use the attachment with an adjustable speed grinder - the attachment is most effective when the tool operates at 1000 rpm. It consists of double 5-inch plates with a height of 4.3 inches and three rollers, each of which has 30 teeth.