The Vintage L.S. Starrett Co. No. 284 29° Acme Screw Thread Tool Gauge is a high-quality and precise tool designed for machinists and collectors alike. Produced by the reputable Starrett brand, this gauge is essential for measuring and creating accurate screw threads. Its vintage design and 29° Acme screw thread capability make it a unique and valuable addition to any collection of machining tools or Starrett memorabilia. Perfect for those with a passion for tools, precision machining, and historical equipment.