Features [Easy to use] This curved spring tube is easy to use, suitable for all types of soft copper tubes [Super Elasticity] This curved spring tube has super elasticity, is not easy to deform, and is durable [High-density steel ring] This bending spring tube uses high-density steel ring, which is not easy to damage the pipeline when bending Easy to use, suitable for all types of soft copper tubes [Scope of application] This bending spring tube is suitable for bending copper tubes, aluminum tubes, thin-walled stainless steel tubes, etc. Features: 1. 100% brand new and high quality 2. Use high-density steel ring, it is not easy to damage the line pipe when bending 3. Super elastic, not easy to deform and it is durable 4. Easy to use, suitable for all types of soft copper tubes 5. Suitable for curved copper tubes, aluminum tubes, thin-walled stainless steel tubes, etc.   Specification: Condition: 100% Brand New Drill Type 1/4 5/16 3/8 1/2 5/8 Copper Tube Type 1/4 6mm 5/16 8mm 3/8 10mm 1/2 12mm 5/8 16mm Length: Approx. 21cm / 8.3in   Package List: 5 * Spring Tube Bender Package List