Hi Jared, please call our tech services line at 1-800-441-9695 for more information.
0-1 grade -- However, this would depend on the material. However, this product is not specifically tested for food use. Give us a call at 1-800-441-9695 if you have any questions or concerns.
Hi Jill- To etch metals, use grade 2 .
Thank you for contacting The Homax Group. Steel Wool can be used to clean handle bars with light pressure. Be careful to not to use too much pressure or the finish may be taken off the metal. Thank you for your interest in our products.