Image Item No. Description  x7  Support 2 x 2 x 8 Scala Catalog: Parts: Support  30517  Support 2 x 2 x 10 Girder Triangular Vertical - Type 1 - Solid Top, 3 Posts Catalog: Parts: Support  30518  Support 2 x 16 x 2 Girder Triangular Horizontal Catalog: Parts: Support  33089  Support 4 x 4 x 5 2/3 Stand Catalog: Parts: Support