Materials: Lever: Zinc die cast, with wear-resistant
epoxy resin coating, black matt.
Support washer: Thermoplast, glass-fibre reinforced, black matt.

Non-adjustable support washer.
The clamping force can either be set on the lever side by turning the lever,
or on the backside by adjusting the nut/knurled nut if present
For rapid clamping and loosening by hand. Clamping is made without
generating a torque. Clamping force is up to 8 kN.