TWSBI - DIAMOND 580

The body of the pen is made up of plastic. The nib is of stainless steel. Screwed type mechanism. This pen has all the detachable parts. The ink capacity is higher. Piston ink filling system [note: ink is not included]. The body of the pen is transparent so you can easily check the ink level.

The use of the ink cartridge and converter is not possible. The pen comes with an instruction manual, silicone grease, and wrench. The pen comes in a paper(outer) box and plastic(inner) box. 

Brand : Twsbi
Brand Origin : Taiwan
Body Material : Resin
Clip Material : Stainless Steel
Nib Material : Stainless Steel
Grip Material : Aluminum
Trim : Silver
Nib Size : EF, F, M, B, Stub1.1
Filling System : Piston Filler
Mechanism : Screw-cap
Nib Colour : Silver
Item Colour : Clear
Collection : Diamond 580