220 Grit Silicon CarbideSandpaper 3-2/3" x 9" Sheet (300 Sheets), 300PK Silicon Carbide sandpaper is sharper and more friable, therefore it is still a long-lasting product and is ideal for uses on harder materials, rougher surfaces, and for polishing, due to its hardness and sharpness.
.240 Grit Silicon CarbideSandpaper 4-1/2" x 5-1/2" Sheet (4 Sheets), 4PK Silicon Carbide sandpaper is sharper and more friable, therefore it is still a long-lasting product and is ideal for uses on harder materials, rougher surfaces, and for polishing, due to its hardness and sharpness.