Specifications: This ball heads can withstand heavy loads, lock solidly, and move smoothly. Aiming and horizon leveling can be accomplished as one instinctive motion, and rigid lockup takes just a quick twist of one control. Using this tripod ball heads are also much easier to carry and pack than tripods with pan-tilt heads. Usage: Screw the tripod ball head on your tripod. Then screw the whole tripod set to your camera. Type: Mini Ball Head Color: Black Material: Aluminum + PC Screw Mount: 1/4"; Thread Max. Load: 2.5kg Features: Mini, Portable, Useful, 360 Degree Swivel Plate Diameter: 3cm/1.18"; (Approx.) Head Height: 5.5cm/2.17"; (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Mini Ball Head