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Universal joints, otherwise known as U-Joints, are bendable mechanical devices used to connect two shafts which are not aligned with one another. Through this connection, the rotational movement of one shaft can be transferred to the other shaft. For an example in automotive use, a universal joint may be used to in a vehicle’s transmission system, where the driveshaft is connected to the axle using such a device. A universal joint has a striking significance to a plus sign in appearance; containing a shimmering circular head on each of its four ends. The construction of this device is such that it contains a set of hinges that are positioned near one another, angled at 90° and are linked by a cross shaft.