GTD is formally Greenlee Tap & Die. Feel free to ask for more pictures if you need them.
1/2"" DR. WOBBLE EXTENSIONBAR- BY JTC 3816
NOS GTD AMPCO USA 5 Straight Shank Drill 27/64 7/16 15/22 31/64 1/2 Bit 502 Lot
Two WIDIA GTD #10-32 UNF Spiral Flute Tap H5 3FL Semi-Bottom 5357404 TWO TAPS
4 Old Bolt Extractors Ace EX-8 EX-7 Threadit No 6 GTD No 306 USA Pipe Extractor
310-206 Fuel Injector Puller Remover Tool Set for Ford Volvo EcoBoost GTD