Crack Injection 13mm Steel Packers are essential tools used in concrete repair and waterproofing applications, designed specifically to facilitate the injection of resins and sealants into cracks and voids effectively. These packers are crafted from durable steel, ensuring robustness and longevity even under challenging conditions. They feature a 13mm diameter, making them suitable for various crack sizes and depths encountered in construction and renovation projects. The threaded design of the packers enables secure installation into concrete structures, preventing leakage during the injection process.