LumecÕs Banner Arms are designed to fit on a round, fluted, square and multi-sided pole, using a central tubing inserted through two opposite 1 3/8Ó (35 mm) holes. The aluminum banner arm [1 1/16Ó diameter (27 mm)] easily slip-fits into the central tubing and it is secured with the attachment by stainless steel hardware. Completing the installation are two end-of-arm decorative casting.Consult factory for all banner arm heights and orientations. Optional Lily Flower end-of-arm casting available (LF option). Specify width of banner(s) as the xx dimension in the ordering number. Order Banner in 1Ó (25 mm) increments only (ex: BAS11) Lumec strongly recommends that the banner arm should be at least 8 feet from the ground.