Package Content: the package includes 12 anode zinc rods, providing you with enough supply for usages. With this quantity, you can replace existing rods or have extras on hand for use, ensuring prolonged protection in your equipment, allowing for versatility and multiple applications. Quality Material: crafted from zinc, the zinc anode has a purity level of up to 99.995%. This purity ensures that the rods provide protection for your equipment. The material also enhances the service life of the rods, allowing it to safeguard your equipment against rust for an extended period. Silver color, smooth surface, no slag inclusion, no voids, good conductivity, and uniform dissolution zinc anode. Proper Size: each zinc rod pure measures about 3.94 x 0.39 inches/ 10 x 1 cm (L x D), offering a size that is to handle and install. The dimensions compatible with a wide range of equipment, such as water heaters, boilers, and marine systems. You can use this rod in many applications without worrying about compatibility issues, compatible with creators who need flexibility in production or construction. Storage Method: to maintain the effectiveness of the unapplied pure zinc rod, it is recommended to re wrap it with a fiber membrane and store it in a dry place. This storage method prevents oxidation of the material, ensuring that the anode rod retains its protective properties until it's ready to be applied. By following this storage practice, you can make sure that your anode rod is ready for deployment when protection is needed. Wide Application: these zinc metal rods are versatile and can be applied in many applications, making them a reliable choice for different environments. For example, in ship construction, zinc anodes are often installed on ship hulls, water tanks inside ships, etc, to protect the ship hull from seawater corrosion by sacrificing themselves.