G-1055OA Hammer TackerDesigned for heavy duty use, this lever actuated hammer tacker has the center of gravity near the stapling head, thus reducing the swing pressure required to drive a staple. It is rear loading, and is designed to use DuoFast 50 series type staples as follows: 508 1 4, 5010 5 16 and 5012 3 8. Can also be used with the following brand staples: Arrow 850, BeA 95, Prebena AB, Fasco 50 and Senco D staples, to 3 8" length. Features: All steel construction