The AT30 from AXRTEC is a lightweight 2-stage aluminum tripod featuring a 75mm bowl base. It supports up to 88.2lbs, and both leg stages with twin tube design that ensures more stable operation.With a mid-level spreader attached and ergonomic twist leg lock knob at each stage of each leg,the tripod offers a height range of 27.4" to 68.5". Also,there is a hook on one of the legs for easy storage.