I bought these to polish the contacts on a commercial Intermatic timer. I was expecting much larger polishers, my fault. The package was so small I must have thrown it away as there were other items in the box. backordered. They are sufficient for a VERY good relay performance. I think. You are very thin. Use a piece of ultra-fine sandpaper instead. VERY overpriced! $0.25.00 BEST!
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