Specifically designed for use in the electronics and electrical industries. Pass European standard:- EN 61340-5-1:2001 (ESD protective item requirements) .Gas lift seat height adjustment, cushioned hardwearing upholstered seat and back rest. Available in 3 different finishes:- charcoal and blue fabric, or black vinyl.Supplied with locking castors. ESD Arm rests (optional) .Seat height adjustment from 450 to 590mm.