With bi-hex end
Measures 20.3mm diameter by 77mm length
Long series: for protruding threads with 1/2" - 3/4" - 1" square drives
For 1/2" female square drive, chrome-plated
Beta code number 009200353..
Beta code number 009100355
Measures 20mm diameter by 55mm length
Chrome plated
3/8" Square drive socket long series for deeper reach
Bi-hex hand socket..