The Jowi Mobile Rack model 3X is the newest mobile rack from Riebling Machinery. The unit is equipped with three support columns and opens up to 126 in. to support large panels. Equipped with a center support column the 3X can support large panels without bending in the center. It also can be supplied with various bar lengths, and with wheels for ease of transport. (845) 915-0058, Riebling.com.