The natural choice for your table is wood slides. These slides are specially designed and have an engineered arc to provide constant leveling even when table is extended and leaves are in place. Wood on wood action provides quiet and smooth operation that lasts through generations of use. These wood table slides offer built-in Adaptability and strength at relatively low cost. The standard table slide, used for opening and extending standard four leg tables, consists of a series of parallel boards that are able to slide back and forth on smooth joinery with a male and female butterfly notch