TWSBI Diamond Mini Fountain Pen – White Rose Gold

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The TWSBI Diamond Mini is the smaller sibling to TWSBI’s ever popular Diamond 580. The Mini measures about 1 inch shorter than the 580, so it is perfect for those with slightly smaller hands. The crystal clear body allows for an unobstructed view of the ink level in the barrel, which holds a little over 1ml of ink.
The white cap is threaded and posts fairly high on the barrel, without interfering with the piston knob, and features a silver clip. An inner cap also provides a seal when the pen is stored for longer periods of time.
The Mini is refilled by turning the piston knob counter-clockwise until the piston is at the front of the barrel, and then submerging the nib section in ink and turning it again clockwise to draw the ink into the barrel. There are no cartridges or converters!
TWSBI also includes in the box a tool to disassemble the pen and silicone grease for regular maintenance.
Note: Ink is not included with this pen.
Brand: TWSBI
Body material: polycarbonate
Body Color: Transparent
Cap Color: White
Trim Color: Rose Gold
Imprint Color: etched
Finish: Smooth
Nib material: stainless steel
Nib color: Rose Gold
Nib sizes: Extra Fine, Fine, Medium, Broad, Stub 1.1
Length closed: 4.6″ / 118mm
Length posted: 5.5″ / 140mm
Weight: .67oz. / 19g (empty)
Cap: screw
Clip: integrated
Ink system: piston filler
Converter included? n/a
Cartridge included? n/a
Packaging: TWSBI plastic box

Additional information

Weight 8 oz
Dimensions 6 × 3 × 2 in



Cartridge included?

Converter included?

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