Quadra
The Quadra executive chairs are available in leather and faux leather, featuring a distinctive square pattern in the central part of the backrest and seat. The high-back and mid-back chairs are available with either an advanced pivot mechanism or a central pivot mechanism, while some models come with a fixed non-tilting plate. The backrest and seat are padded with expanded polyurethane foam resin, and the base is made of curved polished aluminum.