Material: Hubs made of zinc diecast, Spring: Spring steel type C
zinc-plated.

These couplings are elastic all-metal couplings, with hubs and spring
bodies made of rustproof metal. The couplings only have a one-layer
spring body. They are, however, flexible in all directions, suitable for
both rotational directions and maintenance-free. They are locked against
rotation with allen set screws. Temperature range from -40°C to +120°C.
Couplings are available pre-drilled ex stock. Customized bores and
feather-key grooves available at surcharge.