DeWALT 4-1/2" x 5/8"-11 60 Grit Type 29 HP Flap Disc DW8309Zirconia flap discs possess a Zirconia grit which enables 3X faster material removal than fiber resin metal sanding discs. The Zirconia flap discs include a premium abrasive cloth which provides up to 15X longer life than fiber resin metal sanding discs. The type 29 fiberglass backing provides optimal grinding angle of 10-25 degrees, allows full use of the disc, and won't mar the work piece. Applications include weld blending, removing weld slag, debarring, surface finishing and preparation, edge blending and chamfering.Price from $11.00Compare prices and buy DeWALT 4-1/2" x 5/8"-11 60 Grit Type 29 HP Flap Disc DW8309 Farmandfleet.com →$11.00MSC →$8.00Compare prices2→