Combination Spanner uses 

1. Mechanical Repairs: Combination spanners are essential for automotive and machinery repairs. The polished finish helps prevent rust, making it suitable for use in different environments.
2. Construction Work: In construction, combination spanners are used for assembling and tightening nuts and bolts in various structural components.
3. Household Maintenance: These spanners are handy for tasks around the house, such as assembling furniture, fixing appliances, or tightening loose bolts.
4. Plumbing: Combination spanners are useful for working on plumbing fixtures and connections, providing a reliable grip for tightening or loosening nuts in pipes and fittings.
5. Bicycle Repairs: The compact size of combination spanners makes them ideal for bicycle repairs, allowing users to tighten or loosen nuts and bolts in confined spaces.
6. Assembly Work: Whether in a factory setting or for DIY assembly projects, combination spanners are used to tighten nuts securely.
7. Maintenance of Industrial Machinery: In industrial settings, combination spanners are crucial for routine maintenance and repairs of heavy machinery and equipment.
8. Farm Equipment: Farmers and agricultural workers use combination spanners to maintain and repair various types of farm equipment and machinery.
9. HVAC Systems: Technicians working on heating, ventilation, and air conditioning (HVAC) systems use combination spanners for tightening and adjusting components.
10. Boat and Marine Applications: The corrosion-resistant nature of a highly polished combination spanner makes it suitable for marine environments, where exposure to saltwater can be a concern.