Correct Replacement Skin Diameters

Hi there!
I think I may have asked this before but can't locate the thread :/ apologies. Can anyone confirm the correct skin diameters I should be buying to replace skins on a standard quinto, conga and tumba?
Cheers
I think I may have asked this before but can't locate the thread :/ apologies. Can anyone confirm the correct skin diameters I should be buying to replace skins on a standard quinto, conga and tumba?
Cheers