The NEWEL POST FINIAL Composite Black Top 3-3/8”BALL (Set Of Four) Post Balls are modern and stylish furniture parts made of plastic. These screw-on bed post knobs or curtain finals come in a set of four, each with a satin black finish and a height of 5 inches. They are designed with a minimum width of 3.75 inches and are easy to clean with a dry cloth. These post balls add a sleek and contemporary touch to any room, making them a versatile and functional addition to your home decor.