The Swanson® 3-1 multi-function Unitacker plastic staple gun performs in three-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. Furthermore the 3-1 multi-function Unitacker is made of high-impact plastic construction this is an all purpose stapler. The Swanson® 3-1 multi-function Unitacker plastic staple gun works with light-duty JT21 staples and can be used in three-different ways.