The Cooper Bussmann Fusetron Class RK5 Fuse FRS-R-15 is a high-quality electrical component designed for industrial use. With a box of 10 fuses included, this product is reliable and durable, offering protection for electrical equipment and supplies. The California Prop 65 Warning indicates that the fuses may contain chemicals known to cause cancer and birth defects, making it important to handle and use with care. The Cooper Bussmann brand ensures a trusted and reputable product that meets industry standards for performance and safety.