The AT500 from AXRTEC is a twin tube 2-stage tripod with 65mm bowl base.Features 88.2lbs weight capacity and extends from a minimum height of 25.8" to a maximum height of 58.7".The dual spikes at the end of each leg provide extra grip when working on softer ground, and you can snap rubber feet onto the dual spikes for better grip when working on hard or delicate surfaces.Each leg has ergonomic twist locks. An included middle spreader makes the tripod  more stable and a hook on one leg for easy storage.