These sterling silver alphabet initial charms are between .5 and 1.5 cm wide and about 1.5 cm tall (depending on the initial, some widths are less, some are more) and written is block letter style. The number I is the narrowest at 5mm and the M and W are the widest at about 15mm. The C and T have a small line in the silver on the bottom. See photos

Also available are the alphabet and numbers in a cursive initial style charm each and the larger block initial style charms.

Also, in my ebay store are many styles and sizes of charm bracelets and chains as well as 6000 charms.