Ace  Fiber Disc Backer Pad  4-1/2 in. Dia.
*Diameter: 4-1/2 in.
*Material: Rubber
*Product Type: Fiber Disc Backer Pad
*Arbor Size: 5/8 in.
*Maximum Speed: 13300 rpm
*Number in Package: 1 pc.
*Usage: For use with abrasive discs
*Attachment Method: Screw-On
*For use with 4.5? surface conditioning and fiber discs with 7/8? center hole