Screw Mount: 1/4" thread. Maximum Load: 2.5kg. Package include:1Pc Mini Tripod Ball Head Pan: 360 degree. Size: 6.5 x 4x 2.5cm/2.56" x 1.57" x 0.98 Design to fit all Camera. It is made of aluminum. This ball heads can withstand heavy loads, lock solidly, and move smoothly. Aiming and horizon leveling can be accomplished as instinctive motion, and rigid lockup takes just a quick twist of control. Using this tripod ball heads are also much easier to carry and pack than tripods with pan-tilt heads no long, protruding handles.