•Mechanical maintenance: In the fields of automobiles, machinery, and aviation, the cross wrench is a common tool used to tighten and loosen nuts and bolts, etc.
•Home maintenance: In home maintenance, the cross wrench can be used to adjust the tightness of door locks, furniture, etc.
•Management staff: In the field of management, the cross wrench can be used to tighten the joint nuts of pipes and loosen the screws of equipment that needs to be replaced.
•Plumbing maintenance: In plumbing maintenance, the cross wrench can be used to tighten the plumbing joints.