Drum Sander 4IN vs Festool ETS 125: specs compared
Updated 05 September 2026.
99 mm
Drum Sander 4IN wins on mating diameter
On mating diameter, Drum Sander 4IN leads: 99 mm versus 27 mm.
| Spec | Drum Sander 4IN | Festool ETS 125 |
|---|---|---|
| Port type | male spigot (hose goes over it) | male spigot (hose goes over it) |
| Outer diameter (OD) | 3-15/16 in, 99 mm | 1-1/16 in, 27 mm |
| Inner diameter (ID) | 91 mm | |
| Manufacturer designation | 4 in port, 3.9 in OD / 3.6 in ID | 27 mm (D27) hose port |
| Mating diameter (mm) | 99 | 27 |
Questions and answers
Which has the higher mating diameter, Drum Sander 4IN or Festool ETS 125?
On mating diameter, Drum Sander 4IN leads: 99 mm versus 27 mm.
How do Drum Sander 4IN and Festool ETS 125 compare?
On mating diameter, Drum Sander 4IN leads: 99 mm versus 27 mm.