About This Extreme Durability and Value : Made of hard zirconia alumina material which lasts longer than standard aluminum oxide abrasive material; These flap discs also feature durable fiberglass backing plates requiring less pressure for heavy stock removal and provides with extra secure safe assurance - absorbing vibrations without smear during usage More Emery Cloth : Each flap disc has 80 pieces of emery cloth which is much more efficient than other all 72-piece-emery-cloth abrasive grinding wheels now on the market. It more effectively improves the durability and density of the flap discs 20 PCS T29 & 4 PCS T27 : T29 Includes 10 pcs 40 grit / 5 pcs of 60 grit / 3 pcs 80 grit / 2 pcs 120 grit, better for frequently contouring, shaping surfaces and more aggressive grinding during projects; T27 includes 4 pcs 40 grit as a complement to the project requirements of flat sanding and smoothing; Perfect collocation for all your project needs Etched Grit Number and Color Coding : Flap discs with different grits also have different colored label for differentiation; Each abrasive grinding wheel has its own grit number etched on the metal ring for easier identification even if missing label Great Performance : Each 4.5" x 7/8 inch arbor size flap disc is compatible with angle grinders operatable of up to 13,300 RPM and 80 m/s; Ideal for high performance blending and stock removal on metals non-ferrous materials, fiberglass, plastics, woods and other uneven surfaces Overview Grit Material : Zirconia Alumina Product Dimensions : 4.5"L x 4.5"W Brand : SHALL Compatible Devices : Angle Grinder Grit Type : Coarse/ Medium /Fine/Super Fine
