This new Limited Edition Ultratech has a Clear Top handle so you can see the inner workings of this beauty. Microtech Knives has stepped outside the box with this one and we can't be more excited about it. Get your hands on a very rare production knife, a collectors piece for sure. The Ultratech OTF automatic features a double edge dagger black plain blade. Ì´Ì_The OTF knife fires via a double action thumb slide on the side of the handle for automatic deployment and retraction with the push of the slide.