German company Kaweco produces writing instruments dating back to 1883. These fountain pens feel substantial in the hand yet not too bulky. They are
Kaweco Sport Fountain Pen, White
Classic Kaweco Sport Fountain Pen – The Reader's Catalog
Kaweco Frosted Sport Fountain Pen Blush Pitaya, Fine Nib with Kaweco Sport Octagonal Clip Chrome (2019 Novelty) : Office Products
Kaweco Classic Sport Fountain Pen - White – niconeco zakkaya
Kaweco Sport Classic Rollerball Pens – Omoi Life Goods
Kaweco COLLECTION Fountain Pen Cyan, Fine Nib Sport Octagonal Clip Chrome : Office Products
The simple, but recognisable Kaweco Sport design, made from high-quality plastic, is also available under the series name Skyline in
Kaweco Classic Sport Fountain Pen - White
Kaweco CLASSIC Sport Fountain Pen, Black Crystal – US Exclusive
Kaweco – Tagged Colour_White – Creoly
Kaweco AL Sport Fountain Pen Rose Gold, Fine Nib with Kaweco Sport Octagonal Clip Chrome : Office Products
Kaweco Classic Sport Fountain Pen - White - Extra Fine Nib
Kaweco Classic Sport Fountain Pen Fine Or Medium Nib
Kaweco AL Sport Fountain Pen Rose Gold Fine : : Office Products