Features: * Sanding discs have a special sharp, durable aluminum oxide grain * Industry standard 5-inch 5-hole configuration and Mirka 19-hole dustless hook and loop backing * Fits: Porter Cable 97355, 333, industry standard 5-hole configuration and Mirka 19-hole configuration What"s In The Box: * Mirka 23-650-060 5-Inch 60-Grit 19-Hole Hook and Loop Sanding Discs - 50-Pack