The sleek elegance and timeless lines of the new Slimline pens make them simply modern.. The cap and barrel are plated with polished palladium and characterized by a strong geometric, cylindrical design with precisely milled grooves. The ballpoint and 0.7mm mechanical pencil are engineered with a twist activated retracting clip. The Slimline fountain pen features a rhodium-plated 18kt. gold nib fills via cartridge or bottle. Available in extra fine, fine, medium, or broad nibs.