Festool Granat 240G Delta Sanding Sheet STF DELTA/9, 100-Pack 577550Details 577550, Festool sandpaper STF DELTA 9 P240 GR 100 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 Optimized air current for improved guidance of the cordless delta sander.