Introduction: 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?no long, protruding handles. Screw the tripod ball head on your tripod. Then screw the whole tripod set to your camera. Specifications: Design to fit all Camera. Tripod Screw Mount: 1/4" thread Maximum Load: 2.5kg Pan: 360 degree Plate size: about 3cm diameter Head Height: about 5.5 cm Come with a 1/4'' to 3/8'' convert screw adapter Inside diameter is 1/4'', the outside diameter is 3/8'' 1/4'' to 3/8'' convert screw adapter for cameras, tripods, ball heads, light stands, flash brackets and monopods etc., to be joined, perfect matching! Included: 1 x Mini Ball Head Design to fit all Camera. Tripod Screw Mount: 1/4" thread Maximum Load: 2.5kg Pan: 360 degree Plate size: about 3cm diameter