2-1/2" x 1/4" Mounted Nylon Wire Cup Brush

They work well I beleave, this is my first time using a product llike this for removing paint and rust but so for all 3 of them are working and are still removing rust

Nylon brush

It's not working as great as I thought it would, and wore out super fast for the price i would like it to last longer for removing pait and rust.

Mighty little Brush

Perfect for removing old paint from wood and metal. I even used it to remove light carbon buildup on the head of my snowblower engine!