This is a set of two Manfrotto Autopoles. These single action locking cam Autopoles mount between the floor and ceiling of a studio. If the studio ceiling is higher than 12.2' (3.7 m), Autopole bases or Autopole extensions may be ordered separately. Autopoles support backgrounds, lights, and grip arms with the addition of Super Clamps, Hooks, and crossbars. This replaces old catalog #2950. • Strong support for backgrounds, lights and grip • Brushed aluminum finish • 45.4mm tube diameters Minimum Height 6.9' (2.1 m) Maximum Height 12.2' (3.7 m) Diameter 1.77" (45.4mm) This also comes with the Adjustable background holder crossbar 3qty each one costs 53.50 plus shipping. Location: Mililani it's NOT ok to contact this poster with services or other commercial interests hawaii