Swingline Manual Punch - 3 Punch Head(s) - 160 Sheet - 9/32" , 11/32" Punch Size - Gray Manually punch through as many as 160 sheets at a time with this adjustable hole punch. It is metal for durability and lasting performance, but ergonomically designed with a comfort handle to make it 30 percent easier to deliver precise, two or three hole punching. Hole punch is protected with an application that helps preserve the integrity of the product by preventing and mold growth.