... Dimensions: 430 x 400mm (chair seat); 400 x 300mm (chair back) Height adjustable between about 560-760mm (supplied with 200mm adjustable pneumatic rod) Surface ... with footrest ringConductive metal chain MaterialESD PU Leather, High Density Strong Foam, Steel Chair Base, ESD Wheel, Foor Rest RingColorBlack , BlueDimensionChair Seat 430*400mm , Chair Back ...