The rounding block is used in the manufacturing process of browbands and forming book spines. The leather hide is dampened and then placed into the hollow tracks which shapes the leather.

Length of block: 30cm

Track measurements:

6mm wide x 2mm deep

21mm wide x 6mm deep

31mm wide x 10.5mm deep

Reverse side track measurements:

8mm wide x 4mm deep

10mm wide x 4mm deep

13mm wide x 6mm deep

17mm wide x 7mm deep