High quality durable stainless steel, sturdy, strong and durable for lifetime using, anti-rust, anti-stain, long lasting, designed specially for home kitchen & bar. High quality with competitive price, save your money. Special design to place all sizes of pot lids, spoons, and other cooking utensils. Just tighten the two wing nuts by your Hands which can be easily attached or detached it. No need to punch holes in the bottom, very simple and fast.