Mannesmann Square Drive 3/8" to 1/4" Hex Bit Adapter Socket Bit Holder GS TUV

Mannesmann Germany. VPA, GS and TUV approved. Ball retension hole <> for secure hold on the ratchet. 3/8" drive to 1/4" <> 10mm to 6.3mm. Hardened and heat treated.

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