Megadyne/Jason 1/2" x 72" V-Belt is made of Aramid Fiber/Rubber and is blue in color. It is for tough single belt drives, typical of Lawnmowers garden tillers and snow blowers. It has an inside circumference of 70 inches and an outside circumference of 72 inches. It is 1/2 inch Top W and 9/32 inch Thick.