Benchmade 535BK-4 Bugout AXIS Lock Knife with Aircraft Aluminum DLC coated with Bohler M390 stainless steel. Dual maroon-finished titanium thumb studs with bronze pivot washers. Textured aluminum handle scales over nested steel liners. The AXIS lock, dual thumb studs and reversible pocket clip make it for right and left handers. The Bugout 535BK-4 features a black dlc blade with a plain cutting edge.