Check the listing for details. Military General Mechanic Tool Kit GMTK SK Socket Wrench Sets + More. Condition: Used, Made in United States. Listed at 499.99 USD. tary General Mechanic Tool Kit (GMTK) – SK socket & wrench sets + assorted tools Selling a mixed Military General Mechanic Tool Kit with SK socket and wrench sets and a variety of additional hand tools. This is a surplus-style lot with a good selection for mechanics, collectors, or anyone looking for solid USA-made tools. Please note: some tools show surface rust and normal wear from storage and use. Most should clean up well with a little TLC. Everything is being sold as pictured, untested, and as-is. Great starter set, parts kit, or restoration project. See photos for exact contents and condition.tary General Mechanic Tool Kit (GMTK) – SK socket & wrench sets + assorted tools Selling a mixed Military General Mechanic Tool Kit with SK socket and wrench sets and a variety of additional hand tools. This is a surplus-style lot with a good selection for mechanics, collectors, or anyone looking for solid USA-made tools. Please note: some tools show surface rust and normal wear from storage and use. Most should clean up well with a little TLC. Everything is being sold as pictured, untested, and as-is. Great starter set, parts kit, or restoration project. See photos for exact contents and condition.