The Max Burton 6010 Induction Interface Disk, has a durable stainless-steel construction with an aluminum core for speedy heat distribution with a heat proof rubber handle. Length 15 (handle included), Width 8 and Height 0.5. Many of the cookware we carry are made of clay and therefore do not work on induction cooktops, however, by using an Induction Cooktop Interface Disk you are able to use our clay cookware on induction cookware. In fact with these Interface Disk you can use any non-ferrous cookware on induction cookware including aluminum, glass, copper, porcelain and stainless steel.