Application These nickel-plated, steel base levelers are designed to screw into the bottom of your wobbly table or other off balance furniture and correct the out-of-level condition. Construction The Base Leveler has a 1/4"-20x25 threaded stem and a smooth steel base. How Sold Comes as a set of 6 levelers. T-Nuts and Sleeve Nuts Optionally Available Steel T-Nuts or Brass Knock-In Sleeve Nuts are available for a better fit. (See under "Related Products" along the right edge of this page.)