Fix anything that wobbles! Easy to use! No tools required! Hundreds of places to use them! Carry with you when dining out. Stabilize tables, shelves and other furniture Level cabinets, fixztures and appliances Stack them flat or at an angle to fill any gap. Interlocking ridges prevent slipping. For use indoors or outdoors or on any floor surface! Each measures: 1-7/8" (L) x 1-1/8" (W) Slant tapers from 1/4" down to 1/16"