Combined with a box wrench or ratchet box wrench. Turns your wrench into a socket wrench.
To determine driver size, a 12mm socket will be driven by a 12mm wrench, a 14mm socket by a 14mm wrench, etc.
- 12-point
- Used in a wrench or ratchet wrench
- The driving size will match the socket size
- 🇯🇵 Made in Japan



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