Includes four sizes of copper tube benders: 1/4 in, 3/8 in, 1/2 in, and 5/8 in, covering most HVAC and plumbing needs. Ideal for professionals and DIY enthusiasts working with AC copper tubes and PE plastic tubes. Durable and reusable: Built from high-quality PE plastic to withstand repeated bending without deforming, providing long-term usability. Premium PE plastic material: High-density, strong construction protects copper tubes and enhances bending accuracy. Reliable and safe performance: Resists high temperatures and corrosive substances to ensure dependable operation over time. Designed to withstand wear and maintain functionality for extended use. Use scenarios: - HVAC system installation and service involving copper refrigerant lines and PE tubing - Residential plumbing projects using copper and PE tubes in tight or confined spaces - DIY projects requiring consistent bends in small-diameter tubes