Shell Blue Plastic with S/S Ring corr. SAC 212.14.817 The Shell Blue Plastic with S/S Ring corr. SAC 212.14.817 is a durable and lightweight milking cluster shell designed to deliver reliable performance and long service life in demanding dairy environments. Built for strength and efficiency, the Shell Blue Plastic with S/S Ring corr. SAC 212.14.817 provides a stable housing for liners while supporting consistent milking results. Manufactured from high-quality blue plastic , this shell offers excellent durability while remaining lightweight for improved animal comfort and ease of handling. The integrated stainless steel ring adds strength and reinforcement, helping maintain shape and structural integrity during daily use. With an outside diameter of 48 mm , length of 147 mm , hole size of 24.7 mm , and pipe connection of 9.7 mm , this shell is designed for precise compatibility within SAC milking systems. Its balanced design supports stable liner positioning and efficient milk flow throughout the milking process. Weighing approximately 160 grams , the shell provides a good balance between durability and comfort, helping reduce strain on the animal while maintaining secure cluster p