This 5-Step block is the metric "A" version. Variations of this block are available if additional steps are preferred. Also, larger step faces are offered for use with large diameter transducers. In accordance with ASTM E797.
Geometry:
Made of carbon steel A1018 Steel
2.5, 5, 10, 15, and 20 mm steps
5 Step Pipe Reference Block Includes:
5-Step Pipe Wedge in either Carbon Steel or Stainless Steel