Festool 571810 RO 150 FEQ Rotex Sander Dual-Mode Sanding with a gear-driven, aggressive mode for rapid stock removal or polishing and random orbital mode for fine sanding. Jetstream dust extraction design delivers highly efficient dust removal, resulting in cleaner air, better finishes, and longer abrasive and pad life. FastFix tool-free backing pad changing system allows the sander to adapt to different surfaces and tasks with appropriate pads. Compact Size with a compact form and a 5" pad, the RO 125 delivers performance to even the tightest of places. Sanding Stroke-3/16" (5 mm). MMC electronic controls deliver soft-start, step-less variable speed control, constant speed under load, and thermal and overload protection.