General description These Super Elastic Steel Spring Tubes are designed for bending copper pipes, aluminum pipes, and thin-walled stainless steel pipes, providing great convenience for various applications. The set includes 5 pieces, each measuring 21cm (8.3 inches) in length, making them suitable for different bending needs. Technical specifications Length: 21cm (8.3 inches) Material: Oil hardened and tempered spring steel Quantity: 5 pieces Usage These spring pipe benders are easy to use and come in 5 different diameters, making them suitable for all kinds of soft copper pipes. They are designed to bend pipes at precise angles without damaging the pipeline. Other information Durable and reusable, saving you money Strict quality inspection before packaging and shipping