Nib size : EF or F or. Nib Grade : 21K Solid Gold. The pen is all Brand New and Never used! Comes with all original boxes and papers!! You will not be disappointed.Please refer to other pens in our Store. The item "Sailor Profit Black Luster 21K nib Fountain Pen" is in sale since Sunday, October 14, 2018. This item is in the category "Collectibles\Pens & Writing Instruments\Pens\Fountain Pens\Sailor". The seller is "91l021" and is located in Taipei City. This item can be shipped worldwide.