Vortec Pro Abrasive Flap Discs 4.5 80 Grit 5/8 Arbor 13 000 rpm Phenolic Weiler Vortec Pro Abrasive Flap Discs WARNING: This product can expose you to Silica a chemical known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov Applications: Grinding; Finishing; Weld blending; Deburring Tool Shape: Type 29 Applicable Materials: Steel; Most Metals; Cast Iron; Non-Ferrous Soft Metal Body Material: Phenolic Backing Arbor Thread - TPI or Pitch: 5/8 in - 11 Used With: Right Angle Grinder Dia. [Nom]: 4 1/2 in Speed [Max]: 13 000 rpm Grit: 80 Mounting: Threaded Hole Abrasive Material: Zirconium Hub Material: Zinc Wt.: 3.15 lb Arbor Diam [Nom]: 5/8 in