Desktop stapler features a heavy-duty design to staple up to 140 sheets at a time with minimal effort. Jam-clearing mechanism quickly removes jammed staples to help you quickly get back on track. Front-loading channel holds a strip of 100 staples in six different sizes: 1/4" , 5/16" , 3/8" , 1/2" , 9/16" and 5/8". Use the push-button release to easily reload the stapler. Paper guide helps you accurately align papers to consistently staple multiple stacks.