Swingline 74872 Replacement Punch Head for 160-Sheet High-Capacity Punch, 9/32 Diameter, Set of 3 Replacement Heads and 6 Discs Replacement punch kit; 1 set contains 3 replacement heads and 6 cutting dies Compatible with Swingline High Capacity Adjustable Punch only 9/32" punch hole diameter; 160 sheet capacity For additional assitance please contact Swingline customer service representative Monday-Friday from 8 a.m. to 5 p.m. Central