The next generation of the best seller products are now available. Excellent product with the disc outer circumference surface also available for use. High air cooling effect. [Features]· A unique shape enabling using the disc bottom surface and outer circumference surface.· Soft contact with the workpiece, for a beautiful finish without scratching the workpiece.· Fits both thin and thick metals, for easy use. [Applications]· For general grinding, polishing and substrate polishing of iron, stainless steel and aluminum· Welding bead removal· Spatter removal· Deburring· Chamfering· Rust removal· Paint removal