The Shure VIP55SM holds two microphones side by side. It can hold any Shure microphone with a tapered handle and is most typically used with two SM57. Each of them is held in a vibration mount, like an air-filled doughnut and it mounts to a standard mic stand.
It has been used by the President of the United States, many politicians and other famous people. The mics are spaced wide enough that each can be fitted with the A81WS windscreen for outdoor use in high winds. The yoke that holds the two shock mounts is metal, whereas the two shock mounts are plastic and a rubber like material and the base is plastic with a threaded metal insert.