Imperial Blades Oscillating Multi-Tool Triangle Sandpaper 240 Fine Grit is designed for smooth finishing and should be used after coarser grit sandpapers to prep a surface for staining or painting. Recommended applications are: Wood, Paint, Varnish and more. Popular projects include removal of excess wood, finish and paint for faster surface removal in hard-to-reach areas such as windows, doors, shutters and other furniture. Compatible with 3-1/2" hook & loop sanding pad attachments.