Protech TR-5 Assisted Opening LERCH SA.1 Stonewashed Blade Black Handle. This knife is NOT auto. It is Power Assisted.

TR-5 with the crossover mechanism that legally classify them as "Power Assisted."

Double pleasingly fast blade speed - just a little push up on the thumbstud and this knife rockets into the locked position.

The button on the handle unlocks the blade in this Lerch patent mechanized Protech.