An Multi-fuction wet grinder, also known as a side grinder, is a handheld power tool used for cutting, grinding and polishing.Multi-fuction Wet grinders can be powered by an electric motor, petrol engine or compressed air. The motor drives a geared head at a right-angle on which is mounted an abrasive disc that can be replaced when worn. Multi-fuction Wet grinders typically have an adjustable guard and a side-handle for two-handed operation.