I used this product to remove rust from the GoldParts and to prepare the surface before painting. After using this product to remove Large rough rust and dirt, I used Sandpaper of 800, 1200 and 1500 which are sold separately. As I wrote the impression there, I used it only for water polishing, but the speed of polishing and the finish are very ordinary Sandpaper. There were some intricate areas, so I used a Brass Brush and other abrasives as well.
The difference between the separately sold 800, 1200 and 1500 Sandpapers is that each Sandpaper contains two of each. Quantity:Size per 1pc. is Smaller (About a quarter of the Size often seen in Home center?) But there are two of each, so they can be used in a certain way. 220 yen per piece, so Quantity:If you think that it is less than 40 yen per 1pc., well, there is not that much Large difference when you think about the size and price sold in Home center. It is recommended for people who have trouble going out of their way to buy it or to buy it to get free shipping. It's not something you need to have.