This product is made from thick carbon steel sheet, & its sturdy structure makes it easy to support microwave oven racks, toasters & other kitchen utensils. The microwave oven rack has 4 non-slip foot pads, which can prevent it from sliding on the countertop & will not easily leave scratches. Easy to adjust, just rotate & stretch the button, which can be used in other small household appliances & ovens of various sizes. The shelf is also suitable for the living room, bedroom, wardrobe, garage, shower room, etc. The microwave oven rack is easy to install, & you can complete the installation in just 10 minutes!