ITEM NAME:5pcs Spring Tube Bender 210mm Tension Spring Pipe Bender 1/4inch-5/8inch Sp Z1G1 5pcs Spring Tube Bender 210mm Tension Spring Pipe Bender 1/4inch-5/8inch Sp Z1G1 Usage: Industrial Load Type: Extension Model Number: CT-102 Style: Coil Outer Diameter: 19mm Wire Diameter: 1.2mm DIY Supplies: Metalworking Type: Spring tube bender Length: 210mm Inner Diameter: 1/4inch 5/16inch 3/8inch 1/2inch 5/8inch.Length: 210mm. Type: Spring tube bender. 5 Spring Tube Bender. Usage: connector for copper tube, aluminum tube, stainless steel tube of thin wall of air condition or refrigerator. Load Type: Extension.