These equalizer wood table slides combine the quality and prestige of hardwoods to provide a natural, dependable performer. They provide natural strength and stability your table requires. Used in pairs they provide level support for the table top and extend the ends smoothly and evenly when adding leaves. Tabletops that are supported on a single pedestal require an equalizer slide that incorporates a rack and pinion system to ensure that the tops open and close easily while staying in balance.