This is a single Manfrotto Black Autopole. This single action locking cam Autopole mounts 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 item replaces old catalog #2956S.