| Model | color | Dimensions (mm) | type | Quantity per box (sheets) | brand |
| 5DX | Black and white in half (top white and bottom black) | 98x152 (3-7/8x6 inches) | Concealed varnish | 500 | LEADER |
Blocking force jam: Measure the hiding force with an instrument
Permeable cardboard: Used to evaluate the consistency of color and gloss of a voided surface
Visual assessment of hiding power:
- Comparison/coating rate jam
- Black and white grid/coating rate cardboard
Brush cardboard is used for informal brushing
Dedicated test jams for sag and leveling tests.

5DX