Clamp size Code Size HxLxW (mm) Machinable ( mm)   STEP
B JBA-10 14,9 x 17 x 29 10
D JDA-15 22 x 24 x 41 15
F JFA-18 28,5 x 29 x 56 18

This addtional piece is fastened with two M5 screws (included) to the threads in OK-VISE additional piece models.
These additional pieces are available for B-, D- and F-series clamps.

Normally, additional pieces can be machined into different shapes.