Wide Compatibility: With screw mount on top, can mount DSLR/ ILDC camera, portable , LED light, microphone and more on the ball head. With screw hole on the bottom, can be mounted on most tripods, monopods, video slider and some light stands. Multi-Angle Operation: 360° hotizontal rotation, 90° vertical rotation; the ball head can be fixed easily by locking knob for meeting different angle. Strong and Durable: Made of high quality aluminum alloy, anodic oxidation resistance treatment of the surface, stable and durable. Regulating Knob: The aluminum alloy quick knob locks solidly, and moves smoothly. It is not easy breaked with the quick knob. screw hole: 3/8 Inch Material: Aluminum alloy + stainless steel + rubber colour: black Package Contents: 1 x Tripod ball head Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Wide Compatibility: With screw mount on top, can mount DSLR/ ILDC camera, portable , LED light, microphone and more on the ball head. With screw hole on the bottom, can be mounted on most tripods, monopods, video slider and some light stands. Multi-Angle Operation: 360° hotizontal rotation, 90° vertical rotation; the ball head can be fixed easily by locking knob for meeting different angle. Strong and Durable: Made of high quality aluminum alloy, anodic oxidation resistance treatment of the surface, stable and durable. Regulating Knob: The aluminum alloy quick knob locks solidly, and moves smoothly. It is not easy breaked with the quick knob.