Ergotopia® MasterBack Pro Ergonomic Office Chair with 3D Tilt Mechanism, Comfortable Office Chair for Office and Office with Lumbar Support, Synchronous Mechanism and Adjustable 5D Armrests : Amazon.nl: Home & Kitchen
Kinnarps: Swedish made office furniture since 1942
WATCH THIS "guide" to mount armrests on a kinnarps 6000 chair - YouTube
50 mm rubberen stoelwielen, bureaustoel, wielen, reservewielen, dubbele wielen, zwenkwielen, universele stelen voor vervangende wielen, geen krassen, korte steel (5, Ø 11 mm) : Amazon.nl: Wonen & keuken
Ergotopia® MasterBack Pro Ergonomic Office Chair with 3D Tilt Mechanism, Comfortable Office Chair for Office and Office with Lumbar Support, Synchronous Mechanism and Adjustable 5D Armrests : Amazon.nl: Home & Kitchen