J. Walter Inc. (www.walter.com) says its Poli-Quick Discs can provide a No. 2 satin finish and a No. 7 polished finish to stainless steel and nonferrous metals. The discs are available with 600 grit, 1,200 grit and 2,000 grit, and are designed to be used with a Poli-Quick interface backing-pad. The discs are made from graded silicon carbide that is bonded to a thin foam pad, and are equipped with hook and loop fastening.