Rapesco Heavy Duty Stapler, HD-100, 100 Sheet Capacity Tough, all-metal chassis with ABS top cap Half strip, easy top loading stapler; 100 Sheet (20lb paper) Capacity Soft feel rubber handle grip for comfort; Unique paper guide locking system The HD-100 takes Rapesco 923/6-13mm staples as well as 24/8mm and 24/6mm Extra Strong staples 15 Year Guarantee