... degrees,seat depth lengthened 3cm,to help disperse weight pressure,more healthy & comfortable.3.Lay up ... comfortable,prolonging the service life of the caster bearing.6.Adopted bushing welding,intensive and ... front caster bearing,to prolong service life.7.Fixed desk armrest,fixed footrest,net weight is ... only 10kg only.8.Aluminum oxidation frame,hard cushion,6” front caster and 12 ...