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Detail
The TWSBI Diamond 50 Ink Bottle is a glass inkwell designed to match the TWSBI Diamond fountain pen range. Sporting specially-designed filling mechanisms, they work particularly well with TWSBI Diamond pens, but include features suited to filling almost any fountain pen.
An internal reservoir ensures that you can use the inkwell to fill almost any bottle-filled pen, even when the ink level is very low. Take this out, and the ink tube attached to the aluminium neck extends down to the bottom of the bottle, letting TWSBI Diamond pens fill themselves until your bottle is almost dry. Remove the nib and attach the pen to the end of the tube to fill, making filling easier and making spills less likely.
The end of the tube is also the same size as the opening in a standard International converter, so you can use the same method to cleanly and easily fill many brands of converter.
Available with a variety of cap colours to allow distinction between the inks stored within - great for those who have lots of inks on the go at once!
Supplied as an empty inkwell, so you will need to fill these inkwells with bottled ink. We recommend using Diamine Ink, for their wide range of colours, but any fountain pen ink will work fine.
Additional information
Product Code:
Ink Type:
Item Colour:
Delivery
Orders placed before 3pm Monday to Friday will normally be sent out the same day.
UK Orders
FREE Royal Mail Standard delivery for orders over £100, and just £3.50 for smaller orders. Royal Mail Priority is available as an option, for £3.50 on orders over £100, £5.50 on smaller orders. Express available for £9, or FREE with any order over £400. No delivery surcharges for Northern Ireland, Highlands & Islands or anywhere else!
International
International deliveries vary in cost, so you'll need to add the items you want to your basket, and enter the checkout to see the options for delivery. Prices and payment methods will reflect your country, and many countries have all taxes and duties included to make things easier and more predictable.
Orders over 2kg
For all orders outside the UK, heavy orders may cost more to send, but the shipping cost will be displayed in the checkout before you commit.
More Information
For more, see our Delivery Information page.
Reviews
Refills & Spares
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- Refills & Spares
The TWSBI Diamond 50 Ink Bottle is a glass inkwell designed to match the TWSBI Diamond fountain pen range. Sporting specially-designed filling mechanisms, they work particularly well with TWSBI Diamond pens, but include features suited to filling almost any fountain pen.
An internal reservoir ensures that you can use the inkwell to fill almost any bottle-filled pen, even when the ink level is very low. Take this out, and the ink tube attached to the aluminium neck extends down to the bottom of the bottle, letting TWSBI Diamond pens fill themselves until your bottle is almost dry. Remove the nib and attach the pen to the end of the tube to fill, making filling easier and making spills less likely.
The end of the tube is also the same size as the opening in a standard International converter, so you can use the same method to cleanly and easily fill many brands of converter.
Available with a variety of cap colours to allow distinction between the inks stored within - great for those who have lots of inks on the go at once!
Supplied as an empty inkwell, so you will need to fill these inkwells with bottled ink. We recommend using Diamine Ink, for their wide range of colours, but any fountain pen ink will work fine.
Additional information
Product Code:
Ink Type:
Item Colour:
Orders placed before 3pm Monday to Friday will normally be sent out the same day.
UK Orders
FREE Royal Mail Standard delivery for orders over £100, and just £3.50 for smaller orders. Royal Mail Priority is available as an option, for £3.50 on orders over £100, £5.50 on smaller orders. Express available for £9, or FREE with any order over £400. No delivery surcharges for Northern Ireland, Highlands & Islands or anywhere else!
International
International deliveries vary in cost, so you'll need to add the items you want to your basket, and enter the checkout to see the options for delivery. Prices and payment methods will reflect your country, and many countries have all taxes and duties included to make things easier and more predictable.
Orders over 2kg
For all orders outside the UK, heavy orders may cost more to send, but the shipping cost will be displayed in the checkout before you commit.
More Information
For more, see our Delivery Information page.