Vortec Pro Abrasive Flap Discs 4.5 60 Grit 7/8 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 Wt.: 1.6 lb Tool Shape: Type 29 Mounting: Arbor Hole Length [Nom]: 4.563 in Arbor Diam [Nom]: 7/8 in Dia. [Nom]: 4 1/2 in Speed [Max]: 13 000 rpm Applications: Grinding; Finishing; Weld blending; Deburring Body Material: Phenolic Backing Abrasive Material: Zirconium Width [Nom]: 4.563 in Height [Nom]: 5 1/2 in Used With: Right Angle Grinder Applicable Materials: Steel; Most Metals; Cast Iron; Non-Ferrous Soft Metal Grit: 60