Made of high quality plastic for longer durability and seal. We have two stainless steel screws to better fix the camera and prevent it from rotating. We also have an allen key that you can disassemble at any time. Convert the mounting adapter for GO Pro assembly accessories. Tripod adapters can easily attach all standard or ACTION OF GOPRO ACCESSORIES. The 1/4 male thread allows it to be fixed to any camera or accessory with an interior thread 1/4. Click here to ensure compatibility of this product with your model