... barrel , shiny chrome plated ,color lacquer part. Metal pen,roller pen,pen,ball pen,metal ball pen,pen,ballpoint penMaterial and Artssolid ... 1.0mm roller pen:0.5mm or 0.7mmfountain pen:iridium point germany/14k/10k goldenN.W(KGS):R:15kg,B ... quality problems we will full refund,other product names :metal pens,metal ball pen,twist ball pen,fountain pen,mechanical pencil,roller ...