... armrest. - polish aluminium base.with synchro mechanism Modern lether high back office chair, office swivel chair, office executive/staff chair- ... fly, synchro mechanism4. base: 5-star base, polish aluminium, high grade nylon, chrome iron base etc.- Hardware:1. provided by ... , rattan set.4) Wall covering: vinyl wall paper, fabric back wall paper, natural wall paper.5) Lights: home collection, ...