This is Steelco High Draughtmans Office Swivel Chair. 1 available 
Blue  Height Adjustable Work Counter Tall Stool
The Chair seat height us from 58cms rising to 83cms. Seat width is 46cms and seat depth to backrest is 45cms
The chair has a seat and back height options plus a back tilt and a adjustable height footrest
The condition is good. Odd very minor marks only
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