Frame: Round steel tubing 20/2 mm and 25/2 mm, black grey 7021; 2 fixed castors and 1 swivel castor; with ergonomic plastic handles. Suitable for the following models:

Stackable 4-leg chairs: 7874 (max. 3 chairs), 7470.xxx (max. 9 chairs), 5261 (max. 4 chairs), 5271 (max. 4 chairs), 7097 (max. 6 chairs), 7410 (max. 5 chairs), 3305 (max. 13 chairs), 7850 (max. 10 chairs)

C-shaped chairs without crossbars: 7822 (max. 5 chairs), 7818 (max. 5 chairs), 7811 (max. 5 chairs), 7854 (max. 4 chairs), 7813 (max. 5 chairs), 7307 (max. 5 chairs)

Skid base chairs: 7853 (max. 2 chairs), 7414 (max. 5 chairs), 7802 (max. 5 chairs), 7200/7205 (max. 15 chairs), 7800/7805 (max. 7 chairs)