The mariners choice for stripping, sanding, smoothing, and polishing all types of wood and metal surfaces. Unlike steel wool, which leaves behind small fibers that can rust and discolor wood in corrosive marine environments, Bronze wool resists shedding, rust, and corrosion. It is an essential maintenance item for boaters seeking to maintain beautiful wood and bright work. Available in premium quality 3 pad packages of fine, medium, or coarse grades.