Roller stud extractor with 3/8″ square drive. Beta 1433 3/8" Drive Roller Stud Socket Extractor/Inserter M5. For use with a 3/8″ Drive ratchet or 19mm spanner on the external hexagon. The rollers are the concentric roller bearing type grip and can be used with any 3/8″ Drive ratchets/bars etc and can also be used with a 19mm spanner where access is limited.
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