United Tailwind Folder. Assisted Opening Folder. 4 5/8 closed linerlock. 3 1/8" black finish stainless blade with dual thumb studs. Features Tailwind Auto Assist rapid blade release technology that rapidly releases the blade from the handle with just a slight nudge of the thumb stud. Black aluminum handles. Front handle has black jigged bone onlay. Lanyard slot. Black finish stainless pocket clip."