anti-static chairs

ESD chair ESD PU leather chair antistatic chair SGS, ISO9001, RoHs CERTIFICATE, Material: anti-static PU leather Color: two colors, blue and black Dimensions: 430 x 400mm (chair seat); 400 x 300mm (chair back) Height adjustable between about 560-760mm (supplied with 200mm adjustable pneumatic rod) Surface resistance: 104 106 Ω (with black color)or 106 109 Ω (with bule color) System resistance: ≤109 ohms Steel chromed five-star-foot High strength and durable nylon castor Adjustable supplied with footrest ring Conductive metal chain