Arrow 0.375-in Heavy Duty Manual Hammer Tacker in the Carpet Staplers department at Lowes.com
Bostitch Hammer Tacker in the Manual Staple Guns department at Lowes.com
Amazon.com: Rapid Hammer Tacker R11, Impact Tacker, Powerful, Steel Construction, Hammer Stapler For Roofing, Membranes, Carpeting, Staples Type 140, 6-10 mm, Made In Sweden : Everything Else