... as usual, width less than 170mm, length<=300m.2. 0.5 inch paper tube: two tubes as usual, width<=110mm ... tube's both side is exposure.highly sensitive,high-density,high-speed outstanding printing quality,can be used for different printing materials; ... cost;*Heat-resistant,used for high-speed print;*Widely used,suitable for different printing materials. High quality barcode wax ribbon barcode printer ...