3M, 5111150471, Flap Disc, 4-1/2 in Diameter Disc, 7/8 in Center Hole, P120 Grit, Medium Grade, Zirconia Alumina Abrasive, Type 29 Conical Disc, Y-Weight Cloth Backing, 13300 rpm Maximum

• Unique construction enables improved production standards with low cost
• These discs are fast with smooth finish and consistent cut rates
• 3M 563D flap discs contain alumina zirconia and is a fast cutting disc with exceptionally long life and minimal heat generation
• This disc provides optimum performance both on mild steel and stainless steel