TWSBI Diamond 580 ALR Navy Blue
TWSBI Diamond 580 ALR is a well known, favored pen of TWSBI’s as it has a transparent barrel revealing not only the piston filling mechanism, but a rather lovely blue with the cap ring and section to match. The diamond faced barrel ( where it gets it’s name) to prevent rolling while also making it a perfect fit in the hand. Available in five nib sizes – extra fine, fine, medium, broad, stub 1.1.
£65.00
Additional Information
TWSBI Diamond 580 Navy Blue fountain pen
Length (capped): 143mm
Length (uncapped): 130mm
Length (posted): 176mm
Diameter (cap): 15mm
Diameter (barrel): 13mm
Diameter (grip): 10mm
Weight (capped, empty): 27g
Weight (uncapped, empty): 14g
Weight (cap): 13g
Refill: Twist-action plunger, holding – 3ml ink.


