Type 27 NorZon Plus Depressed Center Wheel 9 in Diameter 1/8 in Thick 5/8 in - 11 Arbor CutOff Norton Type 27 NorZon Plus Depressed Center Grinding Wheels Abrasive Material: Ceramic Alumina/Zirconia Alumina Speed [Max]: 6 600 rpm Wt.: 1.25 lb Applicable Materials: Metal; Steel; Stainless Steel; Exotic Alloys; Iron Applications: Cutting; Notching; Light Grinding Style: Long Life Thickness [Nom]: 1/8 in Quantity: 10 per pack Tool Shape: Type 27 Dia. [Nom]: 9 in Arbor Thread - TPI or Pitch: 5/8 in - 11 Type: Type 27 Used With: Right Angle Grinder Bond: Resin Abrasive Trade Name: NorZon Plus Color: Brown Grit: 24 Arbor Diam [Nom]: 5/8 in