614636-22192 Norton Round Top Plug,Part# 18R,Round Top 57A24-R,1-1/2x3x3/8-24/10 Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: NRT61463622192 Qty On Cart Features High performance for grinding steel, steel alloys and irons. Features Back FeaturesHigh performance for grinding steel, steel alloys and irons.