OK-120 office chair with net backrest and synchronized mechanism

Upholstered and assembled in Spain with most of the components manufactured in EEC.
• General characteristics: Ergonomic chair suitable for office work and as a study chair. INCLUDES multiple regulations:
- Automatic adjustment (gas cartridge) of seat height.
- Height adjustment of the lumbar support of the backrest.
- Seat and backrest inclination adjustment with a synchronized steel mechanism that avoids the adoption of non-ergonomic postures. With backrest anti-return system.
- Synchronization pressure regulation according to the user's weight to use the chair in free tilt mode.
- Independent regulation of the height and inclination of the headrest.
• Mechanism: Synchronized system that regulates seat and backrest inclinations in synchronized mode, with anti-return system and pressure regulation. Independent adjustments of the backrest and seat heights.
• Backrest: Made with high resistance polyamides. It has anatomical shapes and is upholstered in polyester mesh with 8 colors to choose from. It incorporates height-adjustable lumbar support.
• Seat: Injected plastic support with anatomical shapes and reinforcement of two crossed metal bars, covered with 45 Kg./MC density sponge. It is equipped with embedded metal nuts and covered with injected plastic protective and trim casing.
• Wheels: Double 65 mm diameter wheels. hard tread injected in nylon. They comply with standards X5.1-1993 / 18 and UNI 8588/84. Optionally soft wheels or high studs.
• 5-spoke base: 5-spoke base with pyramidal shape and diameter 630 mm. injected in nylon with at least 30% fiberglass to guarantee its resistance. Optionally, pyramidal base in polished aluminum with a diameter of 680 mm that includes the chrome-plated gas tube.
• Automatic height adjustment: By means of a chrome gas cartridge according to DIN 4550 class 3 (certified by TUV LGA) and BS5459 level “S”.
• Seat upholstery: 100% polyester with more than 80,000 cycles of resistance to abrasion according to European standard EN 14465: 2004 + a1: 2007. Complies with EN 1021 1 and 2 standards on flammability. 12 colors to choose from. No glues are used to fix it.
• Other options: The ergonomics of the chair can be improved by adding the "Seat adjustment" that modifies the separation between seat and back in a range of five centimeters.