Gosky 360 Degree 1/4" Screw Mini Ball Head Mount for Digital Camera/Compact DSLR/Cell Phone/Monopod/Gopro/Light Stand/Light House-Tripod Ball Mount Aluminum House and Steel Ball Gosky 360 Degree 1/4" Screw Mini Ball Head Mount for Digital Camera / Compact DSLR / Cell Phone / Monopod / Gopro / Light Stand / Light House-Tripod ball mount Aluminum House and Steel Ball 1/4"-20 standard tripod and camera screw threads. Fully metal framework and housing. Maximum Load: 2.0kg 4.41 lbs. Head Height: 53.5mm. 1 Year free exchange warranty. Just contact us to get a new one if any part goes wrong