4-1/2" Blue Zirconia Sanding Flap Discs 36 Grit 4.5" x 7/8" Grinding Wheels T29. Features of SATC Zirconia Alumin a Flap Discs. 10 PCS FLAP DISCS 36 GRIT. About the Structure of Flap Discs: 72pcs small 24x18mm cloth backing sanding discs are bonded tightly on the plate.
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