The simple and durable phot r 3 way adjustable arm for gopro hero which is specially designed for the gopro hero action cameras it is made of hard plastic and metal and allow 3 way adjust ability to ensure you can get the angle you want make your gopro extend in different angles can also be used with any other gopro accessories mounts durable material and easy to use please note this listing is for the 3 way adjustable arm and 2 thumb screws only allows 3 way adjust ability to ensure