Remember when you could sand strange curvatures and awkward workpieces with ease? smooth out arcs, curves, contours, Faces and more with the WEN oscillating belt and Spindle sandpaper set. Designed for use with the WEN 6523 oscillating belt and Spindle sander, this package includes four 1/2-inch Spindle sanding sleeves, four 3/4-inch sleeves, four 1-inch sleeves, four 1-1/2 inch sleeves, four 2-inch sleeves and four 4 x 24-inch sanding belts.