700mm nylon base with twin wheel hooded castors. High tulip backrest with three dimensional curvature incorporating lumbar & spine support. Adjustable ratchet backrest height. Sculptured posture curved seat with waterfall front. Heavy duty gas seat height adjustment (25 stones /154 kilos). Fitted with seat slide for multi use installations. Multi set mechanism for gas seat height adjustment, permanent contact backrest rake & forward seat tilt. Directional arms which can be adjusted up and down and width-ways to allow for greater seat area. Available in aqua and wine. Dimensions: width 52cm x depth 90cm x back width 50cm x back height 59cm x seat height 44/54cm