The Swanson® 3-1 multi-function Unitacker® steel staple gun performs in 3 different ways! This tool can work as a standard stapler, a heavy duty paper stapler and also be used to attach temporary fasteners or staples that can be easily removed! Will work with JT21 staples. Will staple 60 sheets of paper at one time. As a temporary stapler the staple stays above the object for easy removal. All steel construction with a durable chrome finish with a comfortable metal handle. A great multi function tool for any tool box!