Lasts up to 100 times longer than standard sanding paper - small but hard grinding work for removing old material and preparing surfaces is almost impossible to do with conventional grinding machines or by hand. Even if you can reach the surface, the sandpaper tears in. However, with Expert Sanding Plate, you can use your oscillating multi-tool to reach corners and grind difficult materials. With Bosch Carbide Technology, the grains of the toughest metal are fixed to the surface in a stable manner. This sharp grain remains highly effective over its long life as it can be cleaned with solvent. The Expert Sanding Plate has been developed for several materials and applications. The coarse, open grains of the RT2 (20 grit) are best suited for removing mortar behind tiles, carpet adhesives or for rough processing of wood. The RT4 (40 grit) is best suited for removing thick paint, but can also handle mortar and glue. The RT6 (60 grit) is the paint specialist, while the RT10 (100 grit) is ide