S105 - Sheaffer Standard (Classic) Size Piston Converter £12.95 Pressure Bar: [Choose]55mm60mm65mm73mm76mm84mm Quantity: at £12.95 each Add To Basket Sheaffer Converter A converter for most modern Sheaffer Pens. It will fit the Sheaffer Targa Classic and most Sheaffers from the 1970's onwards including the Imperial Cartridge / Converter models. It will not fit the Slim Targa. New Old Stock. Postage in the UK is free on this item!