Product Description 180 Fine Bulk 3X High Performance Handy Pack. Premium P-graded abrasive grain provides longer product life, faster cut rate and provides a consistent finish on wood, metal and fiberglass. Pack of 100. From the Manufacturer 180 Fine Bulk 3X High Performance Handy Pack. Premium P-graded abrasive grain provides longer product life, faster cut rate and provides a consistent finish on wood, metal and fiberglass. Pack of 100.