Durable and Non-deformation --This dual twin mount adapter is made of high quality Aluminum alloy, which is more durable and stable than plastic adapters. Multi-directional Adjustable Adapters -- The adapter screws at both ends can be adjusted using the wrench, shooting in different directions. Two sports cameras can be installed at the same time, such as go pro series cameras, dji osmo action etc. Keep both cameras in the same horizontal plane when shooting. Also support camera and a fill light, shoot clearly in the dark. There are two 1/4" tripod screw threads, compatible with any tripods. Suitable for most go pro hero accessories such as go pro handheld straight rod, tripod, and tri-fold rod.