CRKT Knife Maintenance Tool is one of those tools that you want to keep when things suddenly hit you in the guts. The mechanical engineer, Tom Stokes designed the CRKT Maintenance Tool. Moreover, the tool itself has Torx - T6, and T8 and made of tungsten carbide. Besides the Torx, it also featured with a ceramic honing edge, a Bottle opener, and a Flathead screwdriver. Hold it all together with the touch of a Keychain accessory attach to it. In other words, the CRKT tool is one of the most useful survival tools that you can keep on you at all time.