Pixiss Scratch Brush Pen Set With Replacement Tips, Fiberglass, Steel, Brass, Nylon, 5-inches Pen Style Prep Sanding Brush 4-Pack For Corrosion, Rust, Jewelry, Circuit Boards and Auto Body Work

Useful product and it arrived quickly

Good: The pen brushes are made well and have a smooth feed mechanism that locks in place. Bad: The carry pouch has a label for each pen (steel, brass, fiber, nylon); however, there is no such label on the pens themselves! One star deducted for this.

Got this as a supplement to my other scratch brushes and they dont scratch anything all. Even the metal brushes dont remove solder mask from PCBs.

I bought these on recommendation. They do work, but I was expecting more. I guess it depends on what kind of tarnish/rust they are used on. It would have been nice if they had labeled the actual brushes instead of just the pouch. I ended up using a label maker to mark them.

These little brushes are retractable which is helpful to control the stiffness of the bristles, that said the bristles in the metal brushes are a little sparse, but work for what I want them for. I am satisfied with the price and quality.

Had some rust build up this is a great product to remove it since you can target a thin line without being invasive to the surrounding areas that are not damaged

The brass and steel are simply too soft to be useful for what you would use it for. The two stars were removed because I had to open all of them to clear out extra plastic in the threads otherwise they were impossible to use.

This set is fantastic! If you work with electronics, even occasionally, these are a major help. Great for removing small corrosion, rust spots, exposing copper on circuit boards. Just awesome.

fast and graet service

The fiberglass one is the only one I have used so far. Perfect for cleaning enameling after getting fingerprints on it and before putting on another layer of glass enamel.