This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases Intex Horizontal Bar For Ultra Frame Pool (2017 Model) Product Features MEASUREMENTS – LONG: 36″ DIAMETER: 2-15/16″ Will fit 15’x48″ 16’x48″ 18’x48″ 18’x52″ 20’x48″ 20’x52″ 22’x52″ 24’x52″ 26’x52″ New Design. Part #12428 Will fit Only Intex Ultra Frame 2017 (Dark Gray)