Comfortably & easily slice through stacks of paper with 50 percent less effort using this EZ Squeeze technology. With an all-metal design & a wide handle for maximized comfort, this three-hole punch cleanly drills 9/32" diameter holes through up to 40 sheets of 20 lb. paper. Ensure professional, consistent three-hole placement using the built-in paper guide. Easy-to-clean chip tray maintains a tidy environment. Rubber base of the paper punch provides extra stability & protects your desktop during heavy use. Handles lock in down position for convenient storage. With a versatile range of 1 to 40 sheets, this punch works for light-duty to heavy-duty use. It is great for work, school or the home office.