Sander ( Four heads) The best choice of sanding wood --based panel , such as MDF, Partical Boards, Plywood etc Sander ... (model SR2A13D) is the best choice of sanding wood- based panel, such as MDF, Partical Boards, Plywood etc ... featuring stable performance, precision double-side processing with thickness tolerance of ±0.08mm. The machine is structured by cold forming ...