HD means "Heavy Duty": This extremely durable, polished aluminum base for our MAXNOMIC® chairs is the perfect addition for "heavy" users! It has a larger diameter compared to the original base and has additional bracing in the base arms. Combined with this base our MAXNOMIC® chairs can stand a maximum weight of up to 170 kg (375 pounds)! It fits the standard wheels as well as those found in our accessories category. In case of really heavy use you can also get the HD BASE in a set with our SQ-ROLLS (double ball-bearing skate wheels with lockable brake) in black or transparent.
THE HD BASE IS NOT MEANT TO BE COMBINED WITH THE CHAIRS OF THE XL-SERIES!!!
For technical packaging reasons, large packages such as bases, are shipped separately.