Each face with different size of the hemispheres.
Dapping Blocks mirror polished : we are manufacturer of dapping blocks mirror polished. These dapping blocks mirror polished are used with punches to make hemispheres. Six working surfaces with 20 various sized depressions.
Half Round size of Six working surfaces:
The first face:4.5/5/20mm
The second face:6/11/13/19mm
The third face:6.5/8.5/13/18mm
The forth face:7.5/10/14/17mm
The fifth face:8/10.5/15.5/16mm
The sixth face: 22mm