The Arrow HT50 Hammer Tacker Kit includes the iconic HT50 Hammer Tacker and a package of Arrow 506 staples. The HT50 Hammer Tacker is an American made tool since the 1950's. The HT50 is proudly made in the USA with a chromed steel housing, all steel working parts hardened in a 1,500 degree furnace, and a high impact sure-grip handle. The Arrow HT50 Hammer Tacker is designed with a time-proven rear load magazine holds two full strips of T50 staples to minimize loading time. For roofing, insulation, housewrap and other professional jobs, there is simply no substitute. ow 3/8-Inch T50 Staples is sized at the industry standard of 3/8" (10mm) and containing 1250 staples in a self-cartridging stack. They are easy to insert into your utility stapler and offer a clean, penetrating punch into soft woods, drywall, fabrics, and more.