TWSBI Diamond 580 Spare Nib Sets Size:F sturdy spring-loaded metal clip and

sturdy spring-loaded metal clip and a robust stainless-steel nib

The subtle sparkle adds depth and radiance to the ink

The 2 mm falling lead pencil

firefighters

Pen comes with a T10 Blueblack cartridge

TWSBI Diamond 580 Spare Nib Sets Size:F sturdy spring-loaded metal clip andTWSBI is a well known name when it comes to fountain pens. They have been producing high quality writing instruments since 1959. If you own a Diamond 580 fountain pen and are looking to replace your nib, then look no further than TWSBI's authentic spare nib sets. Available in EF, F, M, B and Stub1. 1 sizes, these nibs are sure to provide you with the perfect writing experience. And if you have a previous generation model like the 540 or 530? No