Sirman panini grill has; - Long life cast iron plates, which ensure hygiene, acid & salt protection & resistance to oxidation. - Sirman grill has ribbed top plate and smooth base plate. - The cast iron plates have a ceramic coated treatment, and are easy to clean. - The usefull working surface is 500 x 255mm. - The cast iron plates have perfect thermal conductivity. - The top plates are self balancing, & adjustable. - There are two adjustable thermostats up to 300 deg. C which allow separate use of the plates. - A mechanical timer is included.