The Vanguard ALTA BH-300 ball head is a multi-action ball head with precision control. With a carrying capacity of 66 lbs., you can bet your gear on top will remain rock steady. The ball head has a separate locking knob, friction knob, and panning knob, allowing the unit to adjust to your working style. This ball head will easily secure larger cameras with long lenses, such as a 70-200 mm and 180-400mm. The universal Arca-compatible plate with built-in safety-pin connectivity provides double security in case you accidentally release your camera. The ball has an oxidized anodized surface, which provides smooth movement and helps to protect the ball from scratches. This ensures a smooth-operating ball head for years to come. All these benefits, along with a great warranty, ensure your Vanguard head will give you many years of use. Load, position, and lock. No matter the angle you are shooting, your gear stays in place. 1 Year warranty