It is believed that when you ring the bell, then your mind becomes empty from thoughts. And you enter in the state where you are more receptive and aware. Even it is considered that this is the only way to awaken your mind and thoughts, before you enter the temple.
Bell or Ghanta is an indispensable part in most Hindu Pujas. Bell is sounded before the actual puja and only then worship begins.The most comprehensive assumption is that by ringing the bell god is invited to accept the worship and prayers of the devotee. Another belief is that by doing so, evil spirits does not come near you.It is also believed that when the bell is played then there is a vibration in the atmosphere, which goes far enough due to the atmosphere

Dimensions (Lxbxh) In Cms Of Each Piece: 4 Inches (H) X 1.75 Inches (W) 

Weight- 100 Grams