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Aperture Sizing

Aperture sizes:

A = 1/4″ or .250″

B = 7/32″ or .218

C = 6/32″, or 3/16″ or .1875

D = 5/32″ or .156″

E = 4/32″ or 1/8″

F = 3/32″ or .093″.