... 3.0mm,bearing more than 200kg Swivel Chair Mechanisms SeriesAbout model D13: Typeswivel chair mechanismPlace of OriginGuangdong, China (Mainland ... and down your seat,make your chair perfect Usageoffice chairs,swivel chairsMOQ1000pcsLoading capacityabove 200kgCertificationpass the salt spray ... ,including barstool swivel plates, lift up mechanism for coffee tables, all kinds of sofa parts for functional ...