The Microtech 121-13KA Ultratech Bronzed Katana S/E OTF Automatic Knife Black Tri-Grip handle Bronzed Plain Edge. This Knife Features an Elmax stainless steel Single Edge blade with a plain edge and a This Katana Series Ultratech has a two-tone, bronzed patterned drop point blade with a plain edge. Its black anodized 6061-T6 aluminum handle has a bronze finished pocket clip, glass breaker, and hardware. With the "tri-grip" 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.