11mm HEX KEY BIT ALLEN Socket on a 10mm Hex Drive and 75mm long overall

11mm Hex Key Bit. The main body is 12mm hex along it length reducing to 11mm at the front end. The 11mm front end is approx 13mm in length. Use with a 10mm socket or spanner. We are the worlds only supplier of this bit size (as far as we know!).

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