The Ka-Bar Knives 1480SF, known as the TDI Astro MP, is an out of this world version of a terrestrial favorite. It comes complete with a durable, gray hard plastic sheath, featuring a belt clip to ensure your knife is always securely within reach and won\'t drift off. This versatile tool is perfect for a variety of space uses such as opening freeze-dried food, slicing through letters from home, performing minor spacecraft repairs, and even assisting in self-defense.