These Arrow Fastener 3/8 inch Leg x 7/16 inch Crown Galvanized Steel Staples (1,000-Pack) are perfect for your small hobbies and craft projects that require light-duty tacking.These staples fit the JT21 and JT27 Gun tacker (not included).Let Arrow Fasteners help you complete your next craft project.These staples utilize a thinner wire in a smaller staple format to deliver great holding power. They are exceptionally easy to fire, making JT21 and JT27 staples a favorite with crafters, DIYers, and those with limited grip strength. Used for general home repairs, crafting, art projects, and upholstery,and more! Still proudly made in the USA.Arrow JT21 3/8" staples. 1,000/pack. Also used in: JT21M, JT21CM, T27, 5650, 5650DTC.