CRL Brushed Stainless 18" x 1" SBPP08 Slimline Series Round Partition Center Post by CR Laurence Supplied With Flat Cap and Welded Base Plate Posts Ready to Ship in Three to Five Days From Los Angeles 18" x 1" (457 x 25.4 mm) Round Posts With U-Channel for 1/4" (6 mm) Glass 1" (25.4 mm) Air Space at Bottom