The Mirka® DEOS II 343X is a direct electric orbital sander specifically designed for sanding windows, doors, and frames, as well as performing correction work on wood filler. Its compact 3″ x 4″ profile and low height (only 4 inches) make it exceptionally maneuverable and ideal for tight, hard-to-reach places or intricate detail work. Featuring a high-efficiency brushless motor, the DEOS II 343X provides consistent power and performance, even under heavy load. The variable speed control (5,000–10,000 OPM) allows for fast and efficient material removal, while the ergonomic design ensures comfortable use for long periods. Like all Mirka II series sanders, it features integrated Bluetooth connectivity for real-time vibration monitoring through the myMirka app.
Features
- Compact & Low Profile: Only 4 inches high, providing excellent maneuverability and control in tight spaces.
- High-Efficiency Brushless Motor: Delivers consistent speed and power for demanding sanding tasks and long tool life.
- Variable Speed Control: Adjust from 5,000 to 10,000 OPM with an easy-to-use lever for precise sanding performance.
- Ergonomic Grip: Optimized design reduces hand fatigue and provides a comfortable, secure grip during extended use.
- Dust-Free Solution: Designed for use with Mirka dust extractors to maintain a clean workspace and improve surface finish.
- Smart Connectivity: Integrated Bluetooth technology allows vibration monitoring and usage tracking via the myMirka app.
Spare Parts
- Backing Pad 3×4″ Grip 29H Medium + Saver (934GV-E)
- Replacement Cord 14′ 110V US (MIE9017211)
- Motor Connector Foldable (MIE6512311)
- Pad Screw Kit for DEOS (MIE3322711)
- Dust Shield for DEOS (MIE3311911)
- Start Button Kit for DEOS II (MIE6520211)








