Equipped with ProPunch technology, this three-hole punch easily and cleanly slices through up to 12 sheets with 50 percent less effort. Sleek, all-metal construction delivers long-lasting premium performance. Integrated ruler and paper guide ensure consistent hole placement while the nonslip base provides extra stability during use. Built-in handle lock allows punch to be conveniently stored in drawers. Internal chip chamber empties through a rear door for neat disposal without having to remove the punch base. A portion of the proceeds from the purchase of this hole punch will be donated to cancer charities via the AMAX Spirit Foundation.