The Delta 31-790 is an Aluminum oxide abrasive sleeve for sandpaper. It has small 1/2 inch diameter for sanding smaller contours and curves. These sanding sleeves fit the Delta 31-780 Bench oscillating spindle sander.
1/2 inch diameter for sanding smaller contours and curvesAluminum oxide abrasive for long lasting, efficient sanding150 grit for efficient stock removal with a finer finishSet of 6 Abrasive Sleeves
(6) 1/2 inch x 4-1/2 inch, 150 Grit Abrasive Sleeves for SA350/K OS Sander