Fisher Space-Tec pen deluxe is a Pressurized Ink Pen. It is made from metal and looks elegant and writes with an elegant style. The pen type is Ball Pointand it uses standard refills of the Fisher SPR Series. The Fisher Space-Tec pen deluxe uses the pressurized refill technology that allows the pens to perform in the most extreme environments. It allows the user to write at any angle, underwater in extreme cold and extreme heat. The pens write on most surfaces and can be used in almost any situation and conditions where you need your pen to work!