One 5lb roll consists of a steel wool ribbon that is 1/2" thick, 4" wide and approx 125' long, wound onto a 2" ID core to an outside diameter of about 12". Use this roll to make economical pads for a large variety of industrial, professional, and maintenance applications. Produced with precision machinery to the highest quality standards. #2 Medium-Fine: For cleaning and removing.Cleans barbecue grills,aluminum, copper, brass, zinc and other metals. Removes rust from metal tools (use with light oil for best results). Great for copper pipecleaning before soldering.