waltyotur 4-1/2 Inch Flap Disc Zirconia 100 Pack 40 Grit Sanding Grinding Wheel Fit for Stainless Steel Metal

Sanding Discs: 100Pcs 4-1/2 inch diameter with 7/8 inch arbor angle grinder flap disc max speed of 13,300 fit for most 4-1/2 Inch grinders Quality Matetrial: The discs are made of hard zirconia material, which is harder than alumina, lasts longer, has outstanding wear resistance and is faster to polish Fast Grinding: The glass fiber forms a strong bond with the adhesive and does not contaminate the working surface, resulting in a more stable and efficient grinding Easy to Use: The bevel type 29 angle design makes edge and angle grinding more convenient, ideal for surface grinding Wide Application: Our discs are suitable for in metal or wood for welding reinforcement removal, deburring, polishing and rust removal