40 Pack 4.5 Inch Flap Discs for Angle Grinder - 40/60/80/120 Grit Zirconia Alumina Sanding Discs for Metal, Wood, and Weld Grinding, Sanding, Finishing & Deburring - Type 29 (4.5" x 7/8") - Perfect for DIY Projects, Metalworking, and Automotive Repair