Material: Aluminium gravity die-cast, hub machined, rim turned
and polished. Parts of the folding mechanism: Steel hardened and black
oxide finished.

These handwheels are used in applications where the handle must not
stick out. Handle and folding mechanism are fully encased in the rim.
The handle is locked in the operating position. To retract it, the
handle it is pulled out of its taper seat and then tilted. A compression
spring locks the handle in both end positions.

Version B/G: Without keyway.

Version N/G: With keyway DIN 6885-1.