YDS 5pcs Flap Disc 4-1/2 Inch for Angle Grinder

Size: Diameter is 4-1/2“, Arbor is 7/8”, the flap disc is standard size and suitable for most air and electric grinders. Specification: Type #27, the grinder sanding discs are better for smoothing and blending surfaces. Maximum speed 13300 revolutions per minute (RPM), the wheels perform well. Package contains: 40/60/80/120 grit angle grinder sanding discs, 40 grit, 60 grit, 80 grit, 100 grit, the combination better matches your requirement. Fiberglass backing: Fiberglass backing plate absorbs vibrations and reduces smear during use. It provides durability and reinforcement. Application: These grinding discs are effective for smoothing, blending, finishing surfaces or contours. It is available for paint, stainless steel, wood, plastics, ferrous and non-ferrous metals. The abrasive wheels fit