Pack of 3 - Round Chain Files For ECHO CS-620SX

How do I know my Size?

1/4" Chain = 5/32" = 4mm

3/8LP 1.3mm = 5/32" = 4mm

.325" = 3/16" = 4.8mm

3/8" = 7/32" = 5.5mm

.404" = 7/32" = 5.5mm

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