Skid-stool Frame of welded U-shaped skid and seat support of chrome-plated or powder coated oval steel tube. Pickapack fitting for storage on table top. Smallest model without, middle and larger models with foot-rest. Chair sizes for high sitting in 3 fixed heights in accordance with DIN EN 1729. Seat of double-walled textured polypropylene for comfortable sitting with air-cushion effect. Features and options. Glides for hard and soft floors or universal glides (2K). For maximum number stackable (ST) see table. Accessories. Stacking cart model 03414 for 2 stacks and stacking trolley model 3415 for 1 stack of chairs. The following material groups are available to choose from: Frame made of steel tube: M1,(chrome-plated); Seat and backrest: C(black grey RAL 7021, dolphin grey).