N409 - Montblanc No. 4 1/2 Medium Flex Nib (3 ratings) £45.00 Quantity: at £45.00 each Add To Basket Summary; Manufacturer: Montblanc. Designation: No.41/2. Origin: Germany. Material: Steel. Dates from (approx): 1950. Overall Length: 25mm. Writing Width: Medium Flex. 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!