Trusty, dependable and a known quantity. These simple materials can get your tool a long way to rust free with a bit of time and elbow grease. Scotchbrite is generally quite coarse - keep it away from your cutting edges and the flat backs. When using steel wool, you can consider using a few grits, but the 0000 fine grade is a good choice that will remove rust without digging too much into the steel of your tool. For the most thorough results, you can use these with a bit of vinegar for a chemical and mechanical removal that is comprehensive and effective.