Super heavy material very very sturdy. Well made leg beds. Fast shipping trust my feedback score . This set of 4 sturdy 20" metal bed legs replacement is made of heavy-duty alloy steel material, ensuring durability and stability. The modern design, adjustable height, and easy installation make them a practical choice for adults looking to increase the height of their bed base frame. These bed riser legs are freestanding, lightweight, and have a non-removable bottom for added security. The thick metal tube construction and fixing feature provide additional support and comfort, making them a reliable addition to any bedroom.