Update your existing wood deck railing? It's easy with Insta-Rail Vertical Railing. Insta-Rail Vertical Cable or Tubes can be used on new or existing wood frame deck rails to replace existing balusters, pickets, or wooden spindles. Insta-Rail Vertical Rail installation is designed to be DIY friendly and can be easily installed with common, basic tools. Each 36" or 42" kit contains everything needed for one 6' rail section.