Compact stainless steel thread pitch gauge

Metric and imperial whitworth blades

should cover everything you might commonly encounter

• Size:
  - Metric (mm) - 60°
  - 6.0, 5.5, 5.0, 4.5, 4.0, 3.5.
  - 3.0, 2.5, 2.0, 1.75, 1.5, 1.25.
  - 1.0, 0.9, 0.8, 0.75, 0.7, 0.6.
  - 0.5, 0.45, 0.4, 0.35, 0.3, 0.25.
  - Whitworth - 55°:
  - 62G, 60G, 48G, 40G, 36G, 32G, 30G.
  - 28G, 26G, 25G, 24G, 22G, 20G, 19G.
  - 18G, 16G, 14G, 13G, 12G, 11G, 10G.
  - 9G, 8G, 7G, 6G, 5G, 4 1/2G, 4G.