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Specialising in innovative in-built mechanisms for quicker, easier filling
SKU
C-M7446070
TWSBI Diamond 580 RBT Fountain Pen
£46.99
In stock
(16) 
Gift Wrap
We offer a professional giftwrap service to complement your pen or leather journal. Simply check the giftwrap option on the product page before you add to basket (a charge of £2.75 will be added).
We use a premium silver giftwrap paper with a subtle two-tone patterned effect, and a hand tied silver ribbon. We also include a matching gift tag, which can be appended with a message of your choice. Simply add your message to the text box when you reach your basket. Items are giftwrapped individually i.e. if you order several items only the specific item requested will be wrapped.
We do not include any paperwork inside the giftwrapped item. If you select a different delivery name to your billing details, we add a gift receipt which hides all prices.
Nib size guide
- Smooth steady ink flow
- Distinct line variances
- EF particularly fine
The TWSBI Diamond 580 matches superior craftsmanship with distinctive design, creating a writing instrument every pen aficionado will covet. The striking diamond faceted barrel prevents your pen from rolling off the table, whilst the transparent construction allows you to see the piston fill workings and remaining ink levels. Sitting comfortably in the hand, this durable, lightweight fountain pen is finished with a screw-close cap and rubber O-ring to prevent leaks and drying. Match the Diamond 580 with the TWSBI Diamond Ink Bottle for an easy, fuss free filling experience.
All TWSBI fountain pens can be disassembled for cleaning and maintenance. TWSBI includes the tools to do so, but recommend this is only carried out by experienced fountain pen users. This should only be carried out as part of long term servicing of the pen; it will not need to be done straight away. All disassembly is carried out at the owners risk!
Key Features
- Transparent body with red cap and grip & blue mechanism twist tip
- Polycarbonate construction creates scratch resistant, resilient and crystal clear finish
- Diamond faceted barrel
- Twist action piston fill mechanism
- Stainless steel nib with intricate TWSBI logo and detailing
- Screw close cap
- Rubber O-ring prevents leakage and drying
- Gently tapered grip section
- TWSBI logo button on end cap
- TWSBI presentation box
- Lifetime manufacturer warranty
- Dimensions (Closed): L 120mm x D 13.5mm
- Dimensions (Posted): L 142mm x D 13.5mm
This is why people love it
Loads of good customer reviews submitted through feefo
Written on 14-Mar-2024
Love my new pen, want more TWSBIs in my collection!
Written on 20-Oct-2023
The colours of this TWSBI RBT pen is gorgeous. Having been a first responder, this pen suits me a tee!
Written on 25-Sep-2023
Written on 20-Apr-2023
I could not find this pen anywhere else and Pen Haven had it. Writes like a dream. You cannot go wrong with a TWSBI.
Written on 04-Mar-2023
Written on 11-Feb-2023
Delivery Information
All orders placed before 3pm Mon-Fri are despatched the same day (except on a bank holiday), even if your order has personalisation. Orders placed after 3pm, at the weekend or on a bank holiday are despatched next working day.
UK: We use a Royal Mail tracked service. Standard delivery is free (£2 charge for orders under £10) and takes 2 to 5 working days, Premium is £3 and takes 1 to 2 working days. Next working day is £6 and is delivered by 4pm (requires a signature).
International: We deliver worldwide with a standard and express service. Please visit our international website
Returns Information
Please return any unwanted items within 21 days of purchase to be eligible for an exchange/refund. The item must still be in a re-saleable condition and returned with proof of purchase. Items that have been personalised cannot be returned unless they are faulty.
Should you receive a damaged or incorrectly dispatched item, please inform us within 7 days of receipt, so we can advise you on the return of the item. Call 0208 731 8610 or email info@penheaven.co.uk. If a faulty or incorrect item is returned, we will refund your postage up to the cost of 1st class recorded Royal Mail. If you are sending items from abroad, please call us for a delivery quote
TWSBI was named for the Chinese phrase “San Wen Tong” (Hall of Three Cultures). These initials were reversed (TWS) and "Bi" added (literally meaning writing instrument) to create the TWSBI name
Compatible Refills and Items
This is why people love it
Loads of good customer reviews submitted through feefo
- Written on 14-Mar-2024Love my new pen, want more TWSBIs in my collection!
- Written on 20-Oct-2023The colours of this TWSBI RBT pen is gorgeous. Having been a first responder, this pen suits me a tee!
- Written on 25-Sep-2023
- Written on 20-Apr-2023I could not find this pen anywhere else and Pen Haven had it. Writes like a dream. You cannot go wrong with a TWSBI.
- Written on 04-Mar-2023
- Written on 11-Feb-2023