For example, a 7A stick is thinner than a 5A stick, which in turn is thinner than a 2B stick. The lower the number, the thicker the stick. The number refers to the circumference or thickness of the stick.
Drum kit manufacturers use a universal code for labelling the approximate size and weight of drumsticks, although exact measurements vary between brands If you've spent any time shopping for drumsticks, you've probably seen a bunch of numbers and letters that you don't recognise (e.g.