Rio | 4t5 DesignThe Rio is a compact 5th pocket carry, produced in a joint collaboration between Kansept Knives and 4t5 Design. Small but mighty, the Rio easily stows into the 5th pocket of your jeans so you wont even know its there, until you need it! Showcasing 4t5 signature of aggressive lines while maintaining a sleek overall design. High end M390 or Damascus blade steel Compact design Front flipper tab Ball bearing Pivot Liner lock construction Milled blade