Shell in flame-retardant injected foam with inner steel frame and elastic belts. Base variants:
- variant with cantilever structure in flat chrome steel, front legs in round tubolar chrome steel
- central column and four spoke base in polished aluminium or stainless steel 360° swivel with memory return.
| 039.20 | 73 | 64 | 46 | 68 | 46 | 62-72 | |
| 039.22 | 75-85 | 64 | 46 | 68 | 48-58 | 65-85 | |
| 039.71 | 70 | 59 | 46 | 61 | 44 | 60-70 | |
| 971.01 | 70 | 59 | 45 | 61 | 44 | 60/70 |