The TBF-4 Combat Knife, produced by Roussimoff Rehabilitation Systems, is a close quarter melee weapon designed for both combat and everyday use. It is made with an ultrasong 1055 carbon steel blade, ending in a tanto point that is perfect for stabbing and penetrating tough surfaces. Moreover, the serrated spine of the blade can be used for slicing and shredding. The TBF-4 is well-balanced and has a grip with two finger grooves to ensure the user's hand stays in place during use. In summary, the TBF-4 Combat Knife is a versatile and dependable tool for various purposes.