Kitchen hobs are available in a surprising number of different formats and Magnet covers them all: Induction Hobs promise the fastest heating up and cooling down of any hobs, through a combination of magnets and electricity. Ceramic Hobs have smooth, easy to clean surfaces and provide, rapid, easy to control heat zones. Gas Hobs offer instant control of heating and cooling and are often the preferred choice for chefs. Modular Hobs combine a variety of different cooking zones in one hob. Sealed Plate Electric Hobs feature cast iron hot plates in a metal base, which provide an efficient but gradual heat up and cool down function.