These Tolsen AirXT pneumatic staples are designed for secure fastening in a variety of projects, from working with solid wood and plywood to installing insulation or textiles. Each staple is crafted from zinc-plated anti-corrosive steel with a galvanized finish, which helps protect your work from rust over time. With an 18GA gauge, these fasteners measure 25 mm in length and 1.0 mm in thickness, featuring a 5.7 mm crown width and a 1.25 mm thickness to ensure a stable hold. The set comes with 5000 pieces packed in a colored robust box, making them easy to store and organize in your workshop.