Specifically designed for use in the electronics and electrical industrials. Pass European standard:- EN 61340-5-1:2001 (ESD protective item requirements) .Adjustable: gas lift seat height and back rest height (Optional) Cushioned hardwearing upholstered seat and back rest. Available in:- fabric charcoal, blue or black vinyl.Supplied with glides or castors.ESD Arm rests (Optional) .Seat height adjustment from 430 to 570mm.