Frame consisting of an aluminum star-foot and plastic-covered gas spring mechanism. All models are height-adjustable

Seat sizes in accordance with DIN EN 1729 for tables measuring 82 cm or higher.

Seat shell made from double-walled, structured polypropylene (LuPo) for comfortable seating with air cushion. With concealed seat fixing and grip hole.

Equipment and options: Glide elements or castors for hard and soft floors or 2C universal glide elements. With foot ring and also optionally with particularly easy-to-use 3D rocker mechanism. Model 31509 with reduced-weight gas spring mechanism suitable for children. With piggyback hook for chair suspension on tabletops.

The following material groups are available to choose from: Frame made of steel tube: M1; Seat and backrest: C1.