Sirui A-1005 Tripod Kit with Y-10 Ball Head Features 1. Retractable center column provides different height. 2.tripod leg converts to monopod. Center column can be attached for increased height. 3. 3 leg angle positions for different shooting requirement. 4.the center column can be inverted for unusual low angle shots. 5. Each leg has an automatic leg angle lock mechanism for speed and convenience. 6. The center column can be detached and inverted for low angle or macro shooting. 7. Legs fold up 180 degree for extra compactness. 8. The case can hold a ball head and tripod. 9. Center column hook allows you to hang additional weigh under the tripod for added stability. Y-series ball head 1. Separate adjustment knobs for panning and main locking for maximum control and flexibility. 2. Bubble level for fast horizontal alignment. 3. Sirui's unique locking mechanism provides unequaled locking force. 4. Rugged metal locking knob offers a wear-resistant surface, solid grip. 5. Precision built to provide smooth, vibration-free movement. 6. Ball head comes with an arca compatible quick release plate. Included in the box: tripod, y-10 ball head, soft case, tools, spring hook, wrist strap, 1/4 3/8 mounting screw, arca-compatible quick release plate, instruction manual, warranty card.