Lightweight Aluminum Alloy materialThis set is useful for connecting thediving flashlight arm and the GoPro cameras or diving flashlightIt can rotate 360 degrees and can be rotatedabout 80 degrees in the horizontal directionMaterial: Aluminum Alloy; Weight: 80g/2.82oz Aluminum Diving Lights Ball Clip MountButterfly-type Kit With Ball For GoPro Product description Aluminum CNC Diving Lights Ball Clip MountButterfly-type Clamp Mount Accessory Kit With Ball Adapter For GoPro Packing List 1* Diving Lights Ball Clip Mount+BallAdapter Brand No Brand SKU OT776EL0OQ6AONAFAMZ-28030 Model GO161C