The Powercrown Hammer Tacker with Holster by Bostitch works with insulation plastic sheeting roofing paper and moisture wrap applications. This tool features a die cast frame with through hardened steel components offering extreme durability. The Bostitch PowerCrown hammer tacker with holster is equipped with a quick load magazine that holds 84 staples enabling faster work. The Bostitch die cast frame hammer tacker is designed with tool free jam clearing that allows you to resume work without unnecessary delays.