The Protech TR-3 Integrity folding knife combines the robust design of the TR-3 switchblade with a manual folding , Button Lock mechanism. It boasts dual thumb studs for easy opening, and a deep carry, wide secure pocket clip, making it a fantastic choice for everyday carry.

Each Pro-Tech knife is a blend of the finest materials available and a commitment to craftsmanship. Pro-Tech knives are built with the most current high-tech manufacturing processes including CNC Machining, Wire EDM, Laser Cutting, etc. The high-tech components are assembled and hand fit by dedicated and caring craftsmen in their Artesia, California facility. They craft small batches of their knives so that they can take the time to individually hand fit and finish each knife to a level rarely seen in a factory knife. Their production knife models offer the best design, function, and value of any knife on the market today. Their custom auto knives are unique pieces of art. Each of the custom, limited-edition knives is a showpiece of heirloom quality. No matter which of their knives you choose, we are confident that you will be very satisfied with your purchase.