Compatible with many Kimberly-Clark Professional hard roll paper towel dispensers, along with many universal hard roll dispensers designed to hold paper towel rolls with 1.5 inch cores. High capacity: reduce maintenance time, run-outs and complaints with long-lasting bulk paper towels (as compared to a folded towel system).. Highly absorbent commercial papertowels let you use less and waste less. Bulk paper towels come in small cases for easy storage and handling at your business.