Big Ben is frequently used to represent the tower, the clock and the bell and the name were primarily given to the Great Bell. The dimension of the tower is over 96 m and 12 m² and it has a total of 11 floors. 850 m³ of stone apart from 2600 m³ of bricks were needed during the construction of the tower. The weight of the pendulum Bob is 203 kg and it is made of steel and zinc.