9, 10, 11, 12, 13, 14, 15, 16, 17, 19mm. Can be used with 3/8"� breaker bar/ratchet and also has flats so that they can be used with spanners or wrenches. Can be used with 3/8" breaker bar/ratchet and also has flats so that they can be used with spanners or wrenches.
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