SOG PowerAssist Multi Tool-BlackPART #: SOGB66NCP 4 3 4" closed. All stainless construction. Features one handed flip opening and gear driven compound leverage for double the plier power. Standard and serrated edge S. A. T. assisted opening blades. Blades lock closed using patent pending side release mechanism. Components are now available that individually lock open with the patent pending Piano Locks. Other components include needlenose pliers with wire cutters, three sided file,