The Microtech 122-11 D/E Ultratech Automatic Knife OTF Stonewash Serrated Edge. This Knife Features an M-390 stainless steel Double Edge blade with a part serrated edge and a stonewash finish. With the new contoured black aluminum handles anodized comes with bead blast hardware, slide, tri-angle hardware, glass breaker tip. pocket clip. This model features the tri-wing screws on the handle.