The all-new Microtech Dirac Delta OTF auto is the larger sibling to the Dirac automatic. Microtech's first ever double action automatic knife with a cover firing slider. The Microtech Dirac Delta has a newly designed ergonomic all aluminum 6061 T6 frame with sexy curves for a slightly different ergonomic feel in the hand. Microtech researched this particular O.T.F. (out the front) style and design and applied their signature methodical high tolerance features such as proprietary hardware, innovative internal spring mechanism, and glass breaker. This Dirac Delta from Microtech knives is closely measured to the Combat Troodon for size comparison with a much lesser price tag. The Microtech Dirac Delta is for sale and available mid 2019. With an overall length of 9.4 inches and blade length of 3.7 inches, the all-new Dirac Delta is just right for an everyday carry knife.