Features:This ball head 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.This product can install most DSLR,monopod,lamp support on the market.Anti-skid design gives your device a better protection.Screw the tripod ball head on your tripod.Then screw the whole tripod set to your camera.Specifications:Condition:100%Brand New and High QualityMaterial:Aluminum AlloyTotal Height:Approx.57mm/2.25'Ball Head Diameter:Approx.29mm/1.14'Screw Mount:M4,1/4'Color:BlackPackage Weight:Approx.82gPacking List:1 x 360°Rotation Ball Head100% satisfaction of the refund / exchange: High quality and 100% satisfaction with a money-back guarantee.If you are not satisfied with the product, please contact us.To provide satisfactory service.