Sheaffer No.5 Nib Unit. (Extra Fine) N587 £20.00 Quantity: at £20.00 each Add To Basket Summary; Manufacturer: Sheaffer. Designation: No.5. Origin: USA Material: 14ct Gold. Dates from (approx): 1950 Overall Length: 24mm. Writing Width: Extra Fine. Notes: All sizes and measurements are approximate. Any replacement nib may need some adjustment when fitted to the pen. We can fit this nib as part of a service on your pen, email us for details. Postage in the UK is free on this item!