This is a professional multi-angle tripod head for Giottos and other tripod leg systems. It is designed with a fluid head made of very high quality aluminum. The handles have integral rubber control surfaces. Hydraulic pressure allows the phtographer precise control over the image. There is a double safety catch to prevent accidental release. The head, mounted, is secured with set screws. The maximum load on this head is 13 lbs (6kg).