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

• The long overall length is ideal for deep locations and for turning nuts on protruding bolts • Drive Size: 12.7mm (1/2") • 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