Marble Balustrades will increase the beauty of architectural decoration, while preventing people from falling from the edges of stairs, balconies, etc.A baluster is a vertical piece between a railing and other wood or the floor that adds support and safety; a short and decorative post or pillar that supports a top rail. Balusters can be made of wood, iron, stone and other materials. The term baluster is interchangeable with the word spindle.