TWSBI pens made by one of Taiwan's most expereince pen maker who started out as a contract manufacturer. The Eco features a clear demonstrator body with a piston filling mechanism; these attributes combined with its low price make for a very enticing pen and available in white or black cap. The cap and piston knob are made of a faceted black plastic while the body is made of a round clear plastic allowing you to see the internal piston mechanism and the feed.
It come with a stainless steel nib and is designed to be user serviceable and as such comes with silicon grease and a wrench along with directions for servicing your pen.
Length with cap close - 13.9cm
Length with cap posted - 16.7cm
Central circumference - 4.1cm
Sytem: Fountain pen uses Piston-filled ink.
Nib type: Steel nib
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good flow, no skips, excellent piston mechanism. beautiful too. its a darn good pen for its price