... 8cm 4) Type:thin roller ball pen,nice tip Specifications:Type:Thin Roller PenMaterial:Metal.Solid copper barrel ... ,silver with golden trimRefill: Metal roller refill,0.7 or 1.0mm tip size. ... pens, half metal ball pens, plastic ball pens, ball pens, gel pens, roller pens, fountain pens, multi-function pens, multi-color pens, stick ball pens, mini ball pens, jumbo pens, promotional pens ...