TWSBI Diamond 580 Fountain Pens
View our range of TWSBI Diamond 580 Fountain Pens below
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The TWSBI Diamond 580 is a sophisticated piston filling fountain pen, reputedly based on the Pelikan 800. It is a perfect mid – sized pen with plenty of ink capacity and a range of screw in nibs – usefil if you want a spare or need to replace it.