• To check and set screw cutting tools
  • Made of medium carbon steel
  • Range: 1-10TPI
  • Thread type: ACME 29°
  • Pitch: 1, 1-1/3, 1-1/2, 1-3/4, 2, 2-1/2, 3, 4, 5, 6, 7, 8, 9, 10TPI