... .7 or 1.0mm tip size. blue/black/red ink color No leakage,smooth writing,write in a clear hand.Package ... ball 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, office ...