The Benro B2+PU60 Magnesium Ball Head provides you with a fast, accurate and secure way to set and change your composition. Constructed from magnesium alloy, this durable and lightweight B2 ball head features separate manual drag and lock controls, a standard universal quick release camera mounting plate system together with an independent smooth panning control and positive locking. The quick release (QR) system is Arca Swiss compatible and will also accept most other mainline quick release plates. The Benro B2+PU60 is a perfect match for Benro's series 1 and 2 tripods, holds an impressive 16kg in weight and features a QR plate with ¼"" screw for easy attachment of your digital SLR.