Heavy and large furniture leg leveler - can easily level furniture in homes, offices, restaurants, schools, or cafes to achieve consistent height. They can lift your furniture and help you easily slide it!Adjustable leveling foot-1.75 long steel insert, 3/8-16 thread; Large commercial quality 1 3/8 "diameter 1/2 thick base, height can be fully adjusted from 3/4 to 1 3/4 for maximum support and adjustability.Heavy duty&1320LB maximum support - The commercial quality furniture leveler, T-nut, and threaded insert are made of steel and can support over 330LB per foot, so a set of four can support 1320LB of furniture!Suitable for all flooring - universal nylon bottom, suitable for all flooring such as hardwood/tile/carpet flooring. Equipped with a separate high-density thick felt for hardwood flooring to protect the floor from scratches or harsh noise.Easy to install - For existing furniture legs with 3/8 " -16 threads, simply screw in the leg leveler to adjust the height. Alternatively, drill a 1/2 hole in advance, insert a universal installation T-nut, screw in the leg leveler, and adjust to the desired height.