The SOG VL-04 Mini Vulcan II Tanto Arc-Lock Knife Plain Satin Plain Edge. This SOG Vulcan Mini Tanto. 4 1/4" closed linerlock. VG-10 San Mai stainless tanto blade with dual thumb studs and extended tang. Features Arc-Lock blade locking system for speed and strength. Black glass reinforced Zytel handles with lanyard hole. Reversible stainless pocket clip.