Universal Master Controller with 24 Contacts a twin master controller with one universal handle allows a crane operator to control both bridge & trolley motions with one handle. Simultaneous operation of bridge & trolley motions provide for greater spotting accuracy and faster movement of loads. The handle of the joystick can be moved into any quadrant and any position. Universal controllers are also used for hoist/grab motion. Master controllers are coupled with the universal joint for the operation of the controller individually / jointly to get the desired motion operation.