SOG Power Assist Multi-tool with Nylon Sheath - Silver Tanto the secondary lock is a

the secondary lock is a separate catch that holds the blade shut so it cannot drift or deploy on its own inside a pocket or pack

It's a modifed drop point design with a high hollow grind

and is O-ring and gasket sealed to make it weatherproof

Max: 220 Lumens for up to 50 minutes

SOG Power Assist Multi-tool with Nylon Sheath - Silver Tanto the secondary lock is aProduct Description: The new PowerAssist takes multi tools to a new level. This is the first in the world to house not just one but two SOG Assisted Technology blades. Start to open the main blades, which are available when the main tool is closed, and S. A. T. takes over to complete opening. When not in use, these blades lock closed using our patent pending side release. Flip open the tool and experience the precision of the heavy duty plier