Fine Writing Pens – Charles Hubert Executive Pens Blue Marble Finish Ball Point Pen Beautiful blue marble finish accents this charles hubert fine writing pen. The Silver finish, medium size nib and heavy-duty clip add a timeless touch to these executive ball point pens. All of our charles hubert pens come with a lifetime warranty against mechanical defects. This executive ball point pen can be refilled using standard cartridge refills. Our charles hubert executive ball point pens make the perfect corperate gifts.