Another Product from the Benchmade lineup is the Bugout Aircraft 535BK-4 . It has a 3.24" long Bohler M390 stainless steel blade with a plain edge style and black finish with gives it excellent edge retention. Made from the finest aircraft Aluminum designed in gray. With the Liner AXIS mechanism, which makes the knife easy to open and close for right and left hand users. Made in the USA. Buy yours today!