TWSBI pens made by one of Taiwan's most experience pen maker who started out as a contract manufacturer. ECO-T has a slightly more pronounced grip section; to help with learning correct writing posture for kids, new enthusiast, and anyone who likes a little bit more structure to the grip area. Cap and end cap also has a rotary triangular shape design.
Length with cap close - 13.9cm
Length with cap posted - 16.7cm
Central circumference - 4.1cm
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.
System: Fountain pen uses Piston-filled ink.
Nib type: Steel nib