SIGMA extendable table: structure and perimeter legs in wood. Rectangular top in wood or tempered glass. The SIGMA table contains an ingenious mechanism capable of extending the support surface. Pulling the structure towards you, the two legs with hidden wheels slide on one side allowing you to extract the extension. With a simple rotating movement, the extension mounted on metal rails leaves its housing and aligns with the floor. The rectangular section legs are always perimeter ensuring maximum comfort to all diners.