MS-L0102 Color: anti-static PU leather, Two colors, i.e. blue and black, are available. Dimension: 430*400mm(chair seat); 400*300mm(chair back) Height adjustable between about 440-600mm (supplied with 160mm adjustable pneumatic rod) Surface resistance: 103~106 ohm or 106~109 ohm. System resistance:no more than 109 ohm Specification: carbon steel chroming five-star-foot; high strength and durable nylon castor; conductive metal chain