Long life cast iron plates, which ensure hygiene, acid and salt proofness and resi-stance to oxidation. - Ribbed, smooth or mixed ribbed/smooth cast iron or smooth stainless steel surfaces available; - stainless steel construction; - cast iron plates with ceramic coating treatment: highest sturdiness and life time perfect thermal conductivity very easy to clean - self balancing adjustable upper plates; - shock-proof coated heating elements, adherent to the plates for a perfect thermal conductivity; - two adjustable thermostats up to 300° C, which enable to use the plates separately; - heavy-duty machine; - mechanical timer available.