The Festool LEX 3 77/2.5 compressed air eccentric sander is ideal for professional finishing work on small surfaces, transitions and edges. With its compact 77mm sanding pad and lightweight design, it provides excellent control for spot repairs, blending and precision sanding applications.
Designed for durability and efficiency, the sander features extremely low compressed air consumption while maintaining high performance. Its low vibration levels and reduced operating noise support comfortable long-term use in workshop and bodyshop environments.
A built-in sanding pad brake helps prevent sanding errors when placing the tool down, reducing rework and improving finishing quality. The robust construction ensures long service life with minimal maintenance requirements.
Key Features
- Compact precision sanding – 77mm pad ideal for transitions, edges and spot repair work
- Low compressed air consumption – Efficient operation reduces running costs
- Sanding pad brake – Prevents scoring when setting the tool down
- Low vibration operation – Improves comfort during extended use
- Quiet performance – Reduced noise supports safer working environments
- Durable construction – Long service life with minimal servicing requirements
- Controlled exhaust airflow – Safe dispersion through compressed air hose
- IAS system compatible – Requires IAS 2 or IAS 3 connection system for operation
Technical Data
| Operating Pressure | 6 bar |
| No. of Strokes | 21,000 min⁻¹ |
| Eccentric Motion Speed | 10,500 min⁻¹ |
| Sanding Stroke | 2.5 mm |
| Air Consumption | 270 l/min |
| Sanding Pad Diameter | 77 mm |
| Sound Pressure Level | 72 dB(A) |
| Vibration (Single-Axis) | 0.8 m/s² |
| Vibration (Three-Axis) | 1.9 m/s² |
| Total Vibration Average | 2.5 m/s² |
| Sound Power Level | 83 dB(A) |
| Weight | 0.8 kg |
| Drive Type | Compressed Air |
| Supplied With | StickFix sanding pad Ø77mm (soft), Cleaning & lubricating oil LFC 9022 (50ml), Operating tool |





















