3M #3 Coarse Synthetic Steel Wool Pad. Won’t Rust Or Splinter Like Regular Steel Wool, Rinse & Reuse. A combination of synthetic fibers and abrasive particles formed into a 2″ x 4″ pad. Pads are durable yet easier on hands and resist clogging. Outlasts conventional steel wool because it can be rinsed, stored, and reused. Won’t rust, splinter, or shred.