WELL-BUILT LOCKING SYSTEM It is equipped with three locking hooks that help to set the legs of the tripod accurately and firmly. The hooks ensure that the tripod can be easily installed or removed. QUICK PORTABILITY For convenient storage & transportation. EXTREMELY STURDY Spreader secures stiffness when the tripod is set up on the ground. It has the payload capacity up to 300-400 kg / 660-880 lb. ADJUSTABLE LEGS Each leg has adjustable knobs that allow for easy and stable adjustment of tripod's height and provides you with a variety of shooting options. The spreader build-up radius is 45-70 cm / 17.7-27.5 inch.