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Premium 42CrMo Steel Professional Punch Tool Set for Experts. Premium Material: Made from high-strength 42CrMo steel with HRC 46-52 hardness. Customizable Options: Supports OEM/ODM, custom sizes, and logo printing for orders <1000mm. Professional Craft: CNC milling and heat treatment ensure smooth surface and precision. Fast Delivery: Standard tools ship in 3-7 days; special shapes in 15-20 days. Quality Warranty: 12-month warranty with free replacement for quality issues. 24/7 Support: Online guidance available for technical assistance and after-sales. High Precision: Surface tolerance of 0.005mm for accurate press brake operations. Certified Quality: ISO certified manufacturing with 100% finished product inspection.