256 Genuine T25 3/8-Inch Staples (2 Pack). Packaging may vary. Staplers and tackers from Grainger include staple guns, plier staplers, hammer tackers, electric staples and more. Staple guns are suitable for insulation, roofing, screening, upholstery, and light wiring. Hammer tackers can be used for roofing, furniture, crates, carpeting as well as insulation. Heavy duty plier staplers are suitable for handling grocery bags, restaurant take out, check out counters, florists, and offices.