The Bertha .25"x2.25" White Steel Hardware Kit includes 12 fasteners designed for hurricane and storm panels. Manufactured by Bertha, these carbon steel fasteners are measured in inches and come in a pack of 12. The model number for this product is 157477, making it easy to identify and order the correct hardware for your home improvement needs. These durable and reliable fasteners are essential for securing storm panels in place during extreme weather conditions.