This is a basic bell. It offers a solid tone at an affordable price. The bell's powerful, long-lasting sound creates a solemn atmosphere, driving away evil thoughts and praying for the presence of the heavenly deities and good spirits, while also calming the mind of those who worship. It is struck lightly at the beginning and end of sutras. [Product Dimensions (cm)] Height 4 x Width 7.4 x Depth 7.4 (Dimensions may vary slightly). [Handling Precautions/Care Instructions] Polishing with metal polish or chemicals may remove the surface coating, so please clean with a dry, soft cloth. Made of brass, this bell may develop a patina over time.