2 inch Blue ZA Flap Discs 40 Grit R-Type Roll Lock Sanding Grinding Discs Wheels

2 in R-Type Roll Lock Flap Sanding Grinding Discs Wheels 40 Grit Die Grinder. Features of SATC Zirconia Roll Lock Flap Sanding Discs. Sanding Discs. About the Structure of Type R Roll Lock Flap Discs : 31PCS small 15x12mm zirconia abrasive, X-wt polyester cloth backing sanding discs are bonded tightly on the high strength plas tic plate.