SmallRig Buckle Adapter with Arca Quick Release Plate for GoPro Cameras APU2668 makes it easy to mount GoPro buckles to Arca compatible tripods heads. Simply side the buckle into the top of the adapter until it clicks into place. The adapter features an Arca standard plate on the bottom allowing you to attach the GoPro to any Acra platform. It also comes with 1/4”-20 & 3/8”-16 threaded holes and through-holes for screw mounting. The whole adapter is made of solid anodized aluminum but designed compact and light-weight.