PRODUCT SO-4440 Wooden Base 2 Way Unit Wooden base 2 Way Unit. Knock-down design easy to assemble. 500mm square base with 2pcs adjustable straight arm. Base Tube size 1" x 1". High quality castors. Finished in chrome. Wood 18mm thick, plastic-laminated. Description Base Length:500mm Base Weidth:500mm Base Height(without castors):970mm Back