Introducing the Stimulus 3551, a revamped version of the 3550 Pardue model. This knife has undergone improvements to enhance its reliability and now boasts a larger push button. It retains its sleek spear point blade shape and compact 6061-T6 aluminum handle, complete with a safety feature and a reversible right-hand carry pocket clip. The Stimulus is designed with everyday carry comfort in mind, making it an ideal choice for military and law enforcement personnel. The Stimulus 3551BK variant comes with a black finished blade featuring a plain cutting edge.