TOP Kogyo Impact Socket 11mm Across Flats, 12.7mm Drive PT-411

• For removing and fastening various bolts and nuts • Impact socket with 12.7mm (1/2") drive • 6-point Surface Socket • With O-ring and pin [Caution] • The O-ring and pin are consumable parts. Replace them promptly if any deformation, wear or deterioration is found • Use a size that matches the across flats dimension of the bolt or nut • Make sure the O-ring and pin are securely attached before use • Do not use for any purpose other than the tool's intended use