Specifications include, but are not limited to: Each Kit Contains the following components: Item 2020 x 30" 7012 7064 2020 Extrusion 30"/cut 7012/tap both ends 7064 QTY 2, Item 2020 x 68" 7012 7064 2020 Extrusion 68"/cut 7012/tap both ends 7064 QTY 2, Item 2020 x 20" 7012 2020 Extrusion 20" / Cut 7012 QTY 4, Item 2020 x 44" 7012 2020 Extrusion 44" / Cut 7012 QTY 5, Item 2020 x 48" 7012 2020 Extrusion 48" / Cut 7012 QTY 4, Item 2020 x 36" 7012 2020 Extrusion 36" / Cut 7012 QTY 1, Item 4138 8 hole inside corner bracket QTY 22, Item 4134 4 hole inside corner bracket QTY 12, Item 2418 Caster Base QTY 4, Item 2333 Swivel Caster QTY 4, Item 2028 Black Cap QTY 8, Item 3272 Push in fastener QTY 32, Item 3280 Double Slide-In Economy T-Nut QTY 100, Item 3382 Slide-in Economy T-Nut QTY 50.