The Unbranded Brand Heavy‎ Duty Furniture Leg Leveler Adjusts Height and Stability | Fifteen Risers

Engineered for high load bearing capacity. Supporting upwards of 170 lbs per leveler. Constructed from durable cold rolled or carbon steel with black finish. Enables leveling on uneven surfaces. protects flooring from scratches and prevents furniture from getting damp. Features an L-shaped mounting bracket and a threaded bolt with a lock nut for secure adjustment. 15 adjustable legs in one sale. Comes with black finish screws (not sure if it's 100% of what you need). One is missing the plastic cap. The price is low enough to give space to purchase one.