The Microtech 123-2 Tanto Ultratech OTF Knife Automatic Black Serrated Edge. This Knife Features an M-390 stainless steel tanto edge blade with a part serrated edge and a black finish. With the "contoured handles" texture thumb slide, tri-angle hardware, and an a glass breaker tip. pocket clip, come with bead blast hardware. This model features the tri-wing screws on the handle.