3/8" Drive: M4, M5, M6, M7. M8, M9, M10, M12, and M14. A nine piece set of extra long Spline bit sockets. CR-V sockets with hardened S2 bits for enhanced durability. US PRO Industrial. US PRO Tools 1/4" and 3/8" Drive Stubby Double Headed Ratchet 72 Teeth 4191.
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