SIZE CHART

¾ inch bore size   G#, A, A#

7/8 inch bore size F, F#, G

1 inch bore size      D, D#, E

1 ¼ inch bore size C, C#

1 ½ inch bore size A, A#, B

1 ¾ inch bore size G, G#

2-inch bore size      F, F#