The AT50 from AXRTEC is a lightweight aluminum 2-stage tripod with 65mm bowl base.Features 88.2lbs weight capacity with high-quality aluminum and a combined height range of 25.8"- 57.1".The tripod legs have ergonomic twist leg locks and retractable rubber feet with spikes which for working on hard or delicate surfaces.And a removable mid-level spreader is included for additional stability.