CRKT Key Chain Sharpener is a small designer tool which can be used both as a key ring and sharpener both. This multipurpose tool is well designed to suit the needs of the individuals and that is why it has been designed in a different manner. The sharpener is very effective and can be used for small tasks while the key ring can act as an added accessory. So at a budgeted price, you can enjoy the benefits of both the things. As the key chain cum sharpener is small in size, therefore can be carried in your pocket as well.