These professional technical pens are used for fine drawings, sketches and technical drawings. They use a lightfast pigment ink which is waterproof. Tips are fibre which is cased in a metal frame. The cap features a stainless steel clip. N.B. This is the price for one pen only! The image displayed is to show other colour options available. When only one item is added to the basket, you will only be sent one item. Additional pens can be purchased by increasing the quantity in the box and adding them to the basket.