Features: 1[Multi Knob] Ball head with 1 panning knob and 2 lock knobs, they can set your camera at different angles. With scale for more accurate control of the lock for quick positioning shots. With bubble level for more stable shooting. 2[360 Degree] Panoramic ball head with U shaped slot design, you can easily switch from horizontal rotation to vertical shooting. 0 to 360 in 5 increments for tracking progressive panning, 360 horizontal scale for easy panoramic photography. 3[Lightweight And Durable] 360 degree rotating ball head with all metal structure and hollow quick release plate clamp, 0.1mm processing tolerance, anodized, ultra high strength aircraft aluminum alloy, rugged and durable. 4[Wide Compatibility] This ball head can be used with tripods, monopods, camera sliders for mounting cameras, DV, cell phones, telescopes. With a quick release plate compatible with for Acra RR, etc, easy to install and use. 5[Stable Design] Tripod head with low center of gravity design, featuring 1/4in screw quick shoe plate screw and 3/8in thread tripod mounting screw. Anodizing and CNC machining make it very stable and the safety slot always guards your camera. Item Type: Ball Head Material: Metal Load Bearing Capacity: Maximum 8kg / 17.6lb Scope of Application: Camcorder, Camera Package Included: 1 x Ball&nbspHead