Andoer Mini Ball Head 1/4" Mount for Camera Tripod for SB800 SB900 580EX II vidicon Flash Made of high hardness aluminium alloy, small and lightweight, strong and durable. Surface oxidation treated, the vertical load capacity is up to 500g. The quick release plate with 1/4 The ball head comes with 18.5mm standard cold foot at the bottom, with locking nut and 1/4 The independent adjustment knobs features for precise locking, panning and tension controls.