TheÌ´Ì_Microtech UltratechÌ´Ì_is the first ever OTF (out the front) automatic knife produced by Microtech Knives and is the foundation for all Microtech automatic OTF knives.Ì´Ì_TheÌ´Ì_UltratechÌ´Ì_has been through various modifications over the years but remains a top seller for Microtech. The Microtech Ultratech automatic knife features a 5" black anodized 6061-T6 aluminum handle with bead blast finished pocket clip, glass breaker and stainless steel hardware.Ì´Ì_The Ultratech has a bayonet blade measuring 3.4" long. This dual action automatic fires via thumb slide on the side of the handle for quick one handed deployment and retraction.