A2398L Black frame ergonomic chair

*4/2D headrest with coat hanger

*Nylon frame,Aluminum backrest,back height adjustable

*Ajustable lumbar front&back

*High quality mesh

*6D armrest aluminum support

*Wireline control mechanism 4 position lock with seat sliding

*With/without footrest

*Class 4 gas lift

*350mm aluminum base

*60mm PU silent casters