NorZon Plus Depressed Center Wheels are the choice for excellent performance on all grinding jobs from gray iron to exotic alloys and stainless steel. With 50 to 200% better overall performance versus competitive zirconia wheels, NorZon Plus delivers the highest productivity and lowest total grinding cost. Tailor the wheels specifically to your application by choosing between 1/8" thick, extra-thin .045" RightCut, or Long Life styles. Available in Type 27 and Type 28.