DIMENSIONS - The universal adjustable oven rack or fridge rack has a minimum length of 390mm, a maximum length of 570mm and a width of 310mm. COMPATIBILITY - The adjustable oven or refrigerator grate is universal and therefore suitable for many brands and models of ovens and refrigerators. DURABILITY - The oven rack is made of high quality stainless steel or chrome plated steel and is built to last. It can withstand the high temperatures of oven use without warping. INSTALLATION AND MAINTENANCE