4. Compound tools
  5. Wrench

Chin Shun Cheng

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Box wrench assembly

Tools – Wrench – screwdriver – or driver therefor – Rigid jaws
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F-type wrench structure

Tools – Wrench – screwdriver – or driver therefor – Handle or shank
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Magnetic tool structure

Compound tools – Wrench
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Ratchet wheel structure

Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
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Socket adapter having positioning effect

Tools – Wrench – screwdriver – or driver therefor – Handle or shank
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2645679

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