Arrow Industrial Pack HT19 Staples. For use with Arrow hammer tacker model No. HT19. Can be used for light and heavy duty home projects such as installing window screening, upholstering furniture and attaching insulation. Great for interior and exterior jobs, such as roofing felt, house wrap, insulation, weather-stripping, wire mesh and carpeting. Staples feature all steel construction with electro-galvanized finish.