This attachement fits on the left hand side of the Tradesman Grinder as you face it. The Belt Over Wheel Sanding Attachment uses the 8" CBN wheel to drive a 1-1/4" x 48" belt. The belts are made with a smooth splice to reduce bumping during grinding. The belts are aluminum oxide and are available in 120, 220, 320, 600 grits. The attachment is available to fit on the left hand side of the grinder or the right hand side. The Belt Over Wheel attachment is easy to install and includes an assortment of 4 belts and a articulating tool rest. Each unit indludes an assorment of four belts and one tool rest.