from year of manufacture: 1999, up to year of manufacture: 2004, height-adjustable type: A-50X, D value: 13.1 kN, vertical load/S value: 180kg, type approval as per Directive 94/20/EG: e11-00-1477.
from year of manufacture: 1999, up to year of manufacture: current model, height-adjustable type: A-50X, D value: 14.5 kN, vertical load/S value: 120kg, type approval as per Directive 94/20/EG: e11-00-1265.
up to year of manufacture: 12/1998, height-adjustable type: A-50X, D value: 17.4 kN, vertical load/S value: 250kg, type approval as per Directive 94/20/EG: e11-00-0710.
from year of manufacture: 1999, up to year of manufacture: 2004, height-adjustable type: A-50X, D value: 15.5 kN, vertical load/S value: 200kg, type approval as per Directive 94/20/EG: e11-00-1476.
up to year of manufacture: ab 1995, height-adjustable type: A-50X, D value: 15.8 kN, vertical load/S value: 200kg, type approval as per Directive 94/20/EG: e11-00-0711.