6 Pieces Camera Screw Adapter, Screw Adapter, 3/8" To 1/4" Thread Screw Adapter, Brass, For Tripods, Cameras, Photo Monopods, Ball Heads, Flash Mounts | Fruugo GR
SmallRig 1/4'' to 3/8'' Screw Adapter(5 PCS)
1/2 to 3/8 Reducer Faucet Adapter - Compression Brass Pipe Fitting, 3/8 Male to 1/2 Male Supply Line Adapter for RV Kitchen Plumbing, Water Hose Pipe Connector with Rubber Washer, (2 Pack) - - Amazon.com