This series includes single and dual feed honing heads with pneumatic measuring function. These honing heads can be mounted on the honing machines from Nagel, Gehring, and Sunnen. They are competent to hone cross-hatch for engine cylinder liner and such engine meets Euro III and Euro IV emission standards.

The universal vertical honing head is available in multiple sizes and it is specially designed for the Sunnen SV-300 series vertical honing machine.