<P> Law 5 of the Laws of Cricket , as the rules of the game are known , state that the length of the bat may be no more than 38 in ( 965 mm ) , the width no more than 4.25 in ( 108 mm ) , the overall depth no more than 2.64 in ( 67 mm ) and edge no more than 1.56 in ( 40 mm ) . Bats typically weigh from 2 lb 7 oz to 3 lb ( 1.2 to 1.4 kg ) though there is no standard . Appendix B of the Laws of Cricket set out more precise specifications . This rule was introduced following the Monster Bat Incident of 1771 . </P>
what is the width of a cricket bat
no more than 4.25 in ( 108 mm )