i'm guessing nb 4 is the dust cap remover cos i can't see the other side of it - from the side that is showing it looks like you could also use it to remove external bearing cups too (but without being able to apply much torque)
@carson started
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i'm guessing nb 4 is the dust cap remover cos i can't see the other side of it - from the side that is showing it looks like you could also use it to remove external bearing cups too (but without being able to apply much torque)