Pads are made from tough, nonwoven synthetic material. They will not rust, splinter, or shred like steel wool. Pads rinse clean for repeated use. Use stripping pad model No. 7413 (SKU 791487) with chemical strippers to remove paint and varnish. Use metal finishing pad model No. 7414 (SKU 791496) to remove light rust and to clean and brighten metal. Use wood finishing pad model No. 7415 (SKU 791502) for smoothing bare wood, rubbing in furniture oils, or denibbing between top coats. Each pad is packaged separately. Pads measure 4-1/2" x 11".