MassMall 1/4 Tripod Ball Head for DSLR Camera Stand Screw Mount 360 Swivel Mini Ball Head 1.Aiming and horizon leveling can be accomplished as one instinctive motion, and rigid lockup takes just a quick twist of one control. 2.This ball heads can withstand heavy loads, lock solidly, and move smoothly 3.Design to fit all Camera. A variety of lighthouse. 4.Tripod Screw Mount: 1/4