This Furnace comes complete with a
99 hour delay timer
Up to 1100 C, the ability to store up to 10 programes in 4 stages each, if required an override facility for an accelerated top temperature
Dia:
External dimensions:30 x 38.5 x 44
Internal dimensions: 12 x 16 x 9
And is capable of taking 7 x 1X 6 x 3X or 3 x 6X 2 x 9X rings