1. Separate adjustment knobs for panning, friction control and locking for maximum control and flexibility.
2. Two bubble levels (one on top and one on the clamp locking knob) for fast horizontal and vertical alignment.
3. SIRUI's unique locking mechanism provides unequaled locking force even with loads up to 20kg (44.1lb.)!
4. Rugged metal locking knob offers a wear-resistant surface and a solid grip.
5. Precision built to provide smooth, vibration-free movement
Included in the box: Ball Head, Arca-compatible SIRUI Quick Release plate, soft case, instruction manual and warranty card.