TECHNICAL INFORMATION:

Backrest:
- Steel frame moulded with polyurethane;
- Upholstered with fabric or leather.

Backrest (padded version)
- Steel frame moulded with polyurethane, glued with foam and polyester wadding;
- Upholstered in genuine leather only, with horizontal stitching.

Seat:
- Insert moulded in polyurethane; 
- Upholstered with fabric or leather.

Seat (padded version):
- Insert moulded in polyurethane and glued with polyester wadding;
- Upholstered in natural leather only, with horizontal stitching.

Mechanism:
- Weight-sensitive synchro-mechanism; 
- Three locking positions adjusted by an integrated lever;
- Maximum backrest tilt angle: 18°, maximum seat tilt angle: 6°;
- Backrest connection part made of steel; • Black outer shell made of plastic. 

Gas lift:
- Chromed or black;
- 135 mm adjustment range for 5-star base; 
- 130 mm adjustment range for 4-star base; 
- Maximum load of up to 110 kg*.

*Tested according to standard EN 16139, which certifies that the chair can withstand a load of up to 110 kg. Exceeding this limit or improper use may cause damage or injury.

Base:
- Swivel 5-star base, polished or black powder-coated aluminium, external Ø735 mm; 
- Swivel 4-star base, polished or black powder-coated aluminium, external Ø775 mm; 
- Swivel pyramid-type wooden base with polished or black powder-coated aluminium joint, external Ø650 mm, with plastic glides for soft floors or glides with felt pads for hard floors.

Castors:
- Rubber-free wheel castors for hard floor, Ø65 mm;
- Polyamide (PA) free wheel castors for soft floor, Ø65 mm;
- Rubber self-braking castors for hard floor, Ø65 mm;
- Polyamide (PA) self-braking castors for soft floor, Ø65 mm.