Festool Granat 80G Delta Sanding Sheet STF DELTA/9, 50-Pack 577544Details 577544, Festool sandpaper STF DELTA 9 P80 GR 50 The sanding pad of the cordless DTSC 400 and DTS 400 REQ got an upgrade! With an all NEW hole pattern, the sanding pad can now reduce suction on the surface and optimize airflow through the tool. This leads to better guidance and control over your delta sander and improves the surface quality of your workpiece. Features Added holes in the sanding pad reduce suction on the surface for optimal air