At just under 24 oz, the Manfrotto 054 Magnesium Ball Head with Q5 Quick Release is an ideal mate to Manfrotto 190C series carbon fiber tripods. Thanks to the marriage of imagination and technology this compact head provides extremely precise movements, ergonomic handling and innovative features like a 90 – 105° portrait angle selector and 3 built-in bubble levels. Despite its lightweight and low profile it is capable of supporting up to 22 lb (10 kg). The included Q5 Quick release system with its locking plate provides speed, balance and security.