Fein 63810031010 profile sanding set designed for sanding grooves, shaped surfaces and outside radii. This 22-piece set includes a profile sanding holder, 6 interchangeable profile inserts and 15 sanding sheets in 80, 120 and 180 grit. The different profiles allow precise sanding of 90° angles, tongue-and-groove joints, curved surfaces and detailed profiles. Features a StarlockPlus mount for compatible Fein MULTIMASTER machines.