1. This professional mini ball head is the perfect accessory to add versatility to any tripod. 2. This locking ball head makes adjusting your camera to nearly any position quick and easy. 3. Simply loosen the knob, and rotate, tilt and pan your camera or camcorder with complete fluidity. 4. Simply screw the tripod ball head on your tripod. Then screw the whole tripod set to your camera. 5. When a 90-degree angle is desired, simply lower the platform into the notch. 6 This ball heads can withstand heavy loads, lock solidly, and move smoothly. Aiming and horizon leveling can be accomplished as one instinctive motion. 7. Using this tripod ball heads are also much easier to carry and pack than tripods with pan-tilt heads no long, protruding handles.