The Milwaukee Hammer Tacker is Nothing But Heavy Duty. Built with an All-Metal Design, the Milwaukee Hammer Tacker is built to last up to 3X longer than competitive models and features a protected Jam-Free Magazine for ultimate reliability and durability. The Staple Flush Drive Surface and integrated Staple Puller eliminate the need to carry additional tools when an errant staple needs to be driven flush or pulled out. Also featuring rust resistant coatings, the Milwaukee Hammer Tacker includes Milwaukee's Limited Lifetime Warranty