40 Pack Flap Discs 4.5 Inch for Angle Grinder - 40/60/80/120 Grit Zirconia Alumina Sanding Discs for Metal, Wood, Stainless Steel - Type 27 (4.5" x 7/8") - Perfect for Grinding, Sanding, Finishing & Deburring in Workshops, Construction & DIY Projects