This listing is for a Pack of 1 Engineered specifically to slide inside standard 15mm copper tubes, providing full internal wall support to prevent kinking, crushing, or flattening during manual bends. Constructed from durable, heat-treated spring steel that offers maximum flexibility while retaining its original shape over repeated heavy-duty uses. Designed with a tapered lead end for easy insertion and a built-in end loop for attaching a pull cord, ensuring quick, hassle-free retrieval after the bend is formed. Coated with a bright zinc-plated or passivated finish to protect the steel against moisture, rust, and site wear., Weight: 0.551155655 Pounds, Manufacturer: Navigator