As the pioneer of Microtech’s folding knife line, the U.D.T. has evolved to be an exceptional combination of form and function. The first prototype models featured rubber Kraton inlays and were available in small, medium and large sizes. These models were later consolidated to a single size, featuring a grooved, contoured aluminum handle with jimping along the top of the handle, that carries onto the spine of the blade. The L.U.D.T. boasts an explosive deployment mechanism, not commonly found in a knife of this size. The UDT (Underwater Demolition Team) knife was introduced by Anthony Marfione over 20 years ago. This is the larger version or LUDT in his line of UDT automatic knives. The 3.4 inch blade is perfect for EDC use. All hardware is stainless steel including pocket clip.