: Umpires use a house-shaped tool called a "bat gauge".
In elite leagues like the IPL , umpires now perform live "gauge tests" to ensure bats comply with Law 5 of the MCC Laws of Cricket. test bat air verified
To avoid counterfeit or low-quality equipment, players must verify the "grade" and origin of their bats. : Umpires use a house-shaped tool called a "bat gauge"