PRODUCT DIMENSIONS The threaded rod of the adjustable feet is 18mm long and the round base is 22mm in diameter. Please check the dimensions before purchasing to avoid any problems. Adjustable Height: Screw Length: 18mm; Base Height: 6mm. Adjustable height from 0.5cm to 2.2cm. 16 sets of furniture table leg levelers, to meet all your needs. Widely Used: These adjustable feet are suitable for all types of furniture, including tables, chairs, stools, cabinets, boxes, chests, desks, shelves, plant shelves, etc., and protect floors like wood, cement, tile, carpet, etc. High Quality Material: The base of the adjustable feet is made of polypropylene, a wear-resistant, non-slip, sturdy and durable material. It protects your table, sofa or cabinet from scratches, keeps your furniture balanced and provides good shock absorption. Easy to To install: First mark the center of the adjustable feet; drill a hole to the appropriate depth; tighten the T-nut; screw in the adjustable feet to adjust the