The pipe reinforcement tool works on all types of metals, including steel, stainless steel, copper and aluminium pipes. Simply insert the tube and slide it back and forth to straighten it, convenient to use, save time and energy. Hand tube straightener is made of high-quality material. metal material, high Hardness, rust-proof, solid and durable. Application: The pipe reinforcement tool works on all types of metals, including steel, stainless steel, copper and aluminium pipes. Easy to use: Simply insert the hose and push back and forth to align, convenient to use, save time and energy.