Differents polishers in Dremel set. What to use? Answered
I use a Dremel-clone, and it has two kind of polishers; the white felt ones and this two other type:
Looks like hard rubber, and I used it to burnish steel to clean some grinding marks. It works, but I'm not sure:
1 - Must I use the polishing powder like with the felt ones?
2 - Why they have two colors, green and blue? Have they different hardness?
Thanks for your time!