The Microtech 123-2TA Tan Tanto Ultratech Automatic OTF Knife 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 new "contoured handles" texture thumb slide, tri-angle hardware, and an a glass breaker tip. pocket clip, come with black tactical hardware. This model features the tri-wing screws on the handle.