Dimensions: 80 x 70 x 46 mm
 Simulates 42 mm compressed breast of average glandular/adipose composition
 Test elements contain:
  
    – Nylon fibrils diameters (fibers): 0.93, 0.74, 0.54 and 0.32 mm
    – Al2O3 microcalcifications (specs): 0.54, 0.32, 0.24 and 0.2 mm
    – Tumor-like masses: 1.00, 0.75, 0.50 and 0.25 mm thick