★【What You Will Get】: 4 x Adjustable leveling feet glides & 4 x T-Nut. It can solve the problem of uneven floors perfectly while will not the appearance of your furniture. A special gift for your home if you want to take care of the smallest corners in your houses. ★【What is The Size】: The diameter of swivel furniture levelers is base pad is 1.9". Thread Length is 3". Total length is 4.3". Thread diameter is M8 (0.3"/8mm). It allows you to adjust the height of furniture leg from 1.3" to 4". ★【What is The Material】: The adjustable desk legs are made of nylon and carbon steel, which is sturdy & durable, waterproof, breakage-proof. The loading capacity is up to 180 lbs for per furniture leveling feet, so that it can fit for all kind of furniture. ★【What is The Advantage】: The swivel table leg extenders can be rotated about 30 degrees (angle from 90°to 70°with floor) that it can adapt to various angles of furniture feet. It is equipment of anti-slip base pad, which is suitable for smooth floor. ★【Where can be Use】: Jiozermi furniture leveling feet can be applied to all kind of place like homes, offices, kitchens, restaurants, workshops and so on. It is great for sofa, couch, chairs, tables, shelving units, shelving units, cabinets etc.