The blue and yellow can with the little red top. It may have taken 40 attempts to get the formula right, but once they did, it became a game changer.

Today, you'd be hard pressed finding many Aussie homes, workshops or garages that don't have a can of WD-40 on the shelf. Over the years the amount of uses for the spray has grown, with everyone having their own little WD-40 secret. WD-40 themselves claim over 2000 uses. Here we've picked 40 of the best, some obvious, some not.

1. Buff out scuffmarks on bumpers
2. Clean and protect jaws on an electric drill chuck
3. Clean gunk from safety goggles
4. Clean rusty saws                             
5. Clean sawdust from woodworking tools
6. Clean spray paint nozzles            
7. Clean transmission valve body paths
8. Clean valves on compressors     
9. Ease twisting of wires   
10. Helps start wet engines
11. Hide scratches of plastic safety goggles
12. Improve cutting time for drill bits
13. Loosen locking mechanisms on ladders
14. Lubricate copsaws                          
15. Lubricate garage door rollers     
16. Lubricate mitre saw blades         
17. Lubricate rusted screws               
18. Lubricate vice handles  
19. Maintain car dashboard and interior
20. Penetrate and loosen screw on furniture clamps
21. Penetrate stuck car hoods
22. Prevent binding or jamming of power tools
23. Prevent rust on hand saws         
24. Protect bandsaw bearings          
25. Protect drill presses from rust and corrosion
26. Protect rubber seals on lawn and garden sprayers
27. Protect tools from corrosion      
28. Remove carbon and burn marks from tile flooring
29. Remove decals from windows and bumpers
30. Remove gaff tape                           
31. Remove glue from leather          
32. Remove oil or tar from hands    
33. Separate lamination of plastics
34. Shine steel                         
35. Soften rubber O-rings   
36. Spray chisels for smooth cutting
37. Stop paint from sticking to paint brushes
38. Stop squeaks on car doors          
39. Stop squeaks on garage door casters
40. Wipe across heavy laminates to make cutting easier