These 300× 2" staples are specifically designed for use with the HeatLink® Deluxe Staple Gun, manufactured by Mueller Streamline. Made from high-quality steel, these staples provide exceptional strength and durability, ensuring reliable fastening for various applications. The 2-inch length is ideal for securing insulation, vapor barriers, and other materials in construction and HVAC projects. These staples are compatible with the HeatLink® Deluxe Staple Gun, making them a perfect choice for professionals and DIY enthusiasts alike. With a pack of 300, you'll have plenty of staples to complete your projects efficiently.