Parker 51 Nib. (Fine) N599 £25.00 Out of stock. Summary; Manufacturer: Parker. Designation: 51. Origin: USA. Material: 14ct Gold. Dates from (approx): 1960. Overall Length: 22mm. Writing Width: 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!