Sink hexangular screw inside the head;

沉头内六角螺丝；

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Fix the hook on the base with the M5 inner hexangular set screw.

将钩体用M5的内六角紧顶螺钉固定在底座上。

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Fix the hook on the base with the M5 inner hexangular set screw.

将钩体用M5的内六角紧顶螺钉固定在底座上。

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