This is the original Visionary II folding knife made by SOG in Seki, Japan. It features the arc lock, and a black VG-10 blade. This is the larger Visionary version. Specs Brand/Model:

This is the original Toothlock folding knife made by SOG in Seki, Japan. It features a black finished San mai VG-10 blade. Specs Brand/Model: SOG Toothlock

This is the original X-Ray Vision folding knife made by SOG in Seki, Japan. It features the arc lock, and a satin finished VG-10 blade. Specs Brand/Model: SOG X-Ray Visio