The TWSBI ECO is an economical fountain pen that holds just as much ink as the Diamond 580 but has an affordable price that is appreciated by the first-time fountain pen user. The barrel is sleek, round and transparent and the cap has a hexagonal shape that can be posted.

• Piston filling mechanism
• Ink capacity of 1.5 ml
• #5 Bronze-coloured stainless steel nib
• Crystal clear acrylic barrel, Opaque Indigo Blue cap and Finial
• Screw on Indigo Blue cap that can be posted on back of pen
• Inner cap to ensure a perfect seal when not in use
• Indigo Blue with Bronze Trim