Four, Active and Level frames made from curved, powder-coated circular steel tube. The four-legged chair and both cantilevered chairs are stackable (see table).

Move frame consisting of an aluminium star-foot and plastic-covered gas spring mechanism. With piggy-back hook for suspension of chair on table tops

Chair sizes : height-adjustable or in 6 fixed heights. Level models with 4 foot support settings for high sitting at tables or desks of height 71 or 76 cm. All models in accordance with DIN EN 1729.

Seat shell made from beech plywood with anti-slip paint. The shell is manufactured with a hidden seat fixing and is available in the 4 sizes.

Equipment and options. Depending on the model, equipped with glide elements or castors for hard or soft floorings or with 2C universal glide elements. The Move variant is optionally available with a particularly ergonomic 3D rocker mechanism.

Recommendation. The Level can be combined with school tables of height 71 or 76 (without book shelf and chair suspension).

The following material groups are available to choose from: Frame made of steel tube: M1,(chrome-plated); Foot of aluminum: M1,(chrome-plated); Seat and backrest: H3.