Our Versatile Modern Series wrought iron baluster spindles are just as the name depicts; Versatile & Modern! The balusters are 1/2″ square tube with a doweled top for easy installation. Combine them with other metal balusters; either with this Wrought Iron Series or with another series; such as the Aalto/Contemporary, Twist & Basket, Scroll Series or Ribbon Series. Some even combine a wood square baluster pickets; like our 5060 or 5061 in our Contemporary Series. You can also add some of our iron knuckles to customize your balusters to enhance the baluster design even further.