This part name is sanding belt, sanding belt is consuming material of plywood sander, no matter your sanding machine is which brand, two heads, or three heads, or single head, one side or two side plywood sanding machine, just inform us your sanding machine is for calibration, or polishing work, your sanding belt size, thickness, and mesh quantity, then we can customize good sanding belt model number and good quality sanding belt, and after using geelong supplied sanding belt, then you will be satisfied with our quality and service.