BENRO TRA068 Travel Angel TRA Anti-twist leg sections and a grooved center column make setup and breakdown quick and easy Dust and water-resistant leg lock design prevents dust or moisture from entering the interior of the leg twist-locks. The matching ballhead has three independent locking knobs to separately control general positioning, panning, and friction control, and is housed in a precision-machined stylish black anodized aluminum body. Offers two leg-angle settings to accommodate uneven terrain or awkward shooting situations