This strong and sturdy Avior chair is ideal for heavy duty 24 hour use in busy, multi-shift environments. The chair features a high back with lumbar support and extra padding in the seat for long lasting use. The five star base mounted on castors enables you to move around freely and the seat height and back tilt can be easily adjusted. These chairs are ideal for use in call centres, control rooms and other multi-shift workplaces. This pack contains 1 charcoal chair with a ratchet back and seat slide. Type Office Chairs Manufacturer VOW Brand Avior Colour Black Material Fabric Country of Origin Thailand Stackable No Style 24 Hour Operator Chairs Self Assembly Yes Height Adjustable Yes With Arms Adjustable Arms Seat Height 450-540mm Recommended Weight Limit 24 Stone Maximum Back/Seat Action Back and Seat Tilt Back Height 580mm Adjustable Lumbar Support Yes Footrest No Biodegradable Information No Depth (mm) 675 Height (mm) 618 Hexavalent Chromium (ppm) No Mercury (ppm) No OEM CH0903 Width (mm) 380 ISO 14001 (Y/N) Yes Returns Allowed No Weight Capacity 152 Back Height (mm) 580 Chair Mechanism Asynchro Maximum Sitter Weight (st) 24 Cantilever Leg No Inflatable Lumbar Yes Foldable No 24 Hour Seating? Yes Adjustable seat height: 485mm-585mm Back dimensions: W490 x H580mm Capable of accommodating up to 24 stone in weight Colour: Charcoal Five star base mounted on castors for freedom of movement Heavy duty chair for constant 24 hour use High back with lumbar support and padded seat for comfort Seat dimensions: W510 x D510mm Simple to use levers for height adjustment There may be additional delivery charges for the Highlands, islands, and Ireland (please call us for details)