Bisco Tool Supply sells Grinding Wheels. These USA Abrasives 7" x 1/4" x 7/8" are Flexovit Free Grind Depressed Center Grinding Wheel for Stainless Steel and Alloy Metals. Provides a Smooth and Fast Grind. Flexovit Industrial Abrasive Wheels. Made in the USA by Flexovit High Quality Industrial Abrasive Products. Sold in box quantities of 25.