BEIXIN QB-30 360 Degree Rotation Panorama Metal Ball Head with Quick Release Plate Features 1. Tripod ball head adopts all-metal process, 30mm diameter large ball design, the overall solid and heavy duty, the load capacity reaches 5 kg, can be support large camera lenses. 2. There are three locking knobs on tripod ball head, all the knobs of this ball head can not be screwed off, easy to lock each part and increases the stability of the ball head. 3. Ball head has three horizontal bubbles, not only enhance perception of position, they are also beneficial to positioning the camera and control the balance. It is very convenient to control the vertical angle level, operation is more flexible. 4. The top of tripod ball head is the standard 14 inch screw compatible for DSLR cameras etc, the bottom of tripod ball head is the 38 inch female thread compatible for camera tripod monopod etc. 5. Tripod ball head adopts 360 degree panorama design, the base with a finely laser-engraved in 5 degree increments scale, easy to set the shooting angle quickly. Specifications 1. Model: QB-30 2. Material: Aluminum alloy 3. Weight: 0.242kg 4. Weight: 5kg 5. Sphere diameter: 30mm 6. Camera interface: 14 inch screw 7. Tripod interface: 38 inch screw hole 8. Bottom diameter: 40mm 9. Height: 83mm