Gemini Depressed Center Wheel 9 Dia 1/8 Thick 5/8 Arbor 24 Grit Norton Gemini Depressed Center Wheels Abrasive Material: Aluminum Oxide Thickness [Nom]: 1/8 in Dia. [Nom]: 9 in Tool Shape: Type 27 Type: Cutting; Notching; Light Grinding Wt.: 1.19 lb Abrasive Trade Name: Gemini Color: Brown Speed [Max]: 6 600 rpm Bond: Resin Style: Depressed Center Wheel Arbor Diam [Nom]: 5/8 in Arbor Thread - TPI or Pitch: 5/8 in - 11 Applicable Materials: Metal; Steel Used With: Right Angle Grinder Applications: Cutting; Notching; Light Grinding Quantity: 10 per pack Grit: 24 (Very Coarse)