63810-0104. This hand tool return spring replacement is essential for maintaining the functionality of your PremiumGrade 207129 series Hand Crimp Tool. Designed as a repair fixture, this component ensures smooth operation and precision in your crimping tasks. Rest assured, it is ROHS compliant, making it a safe and environmentally friendly choice. Perfect for professionals in the connectors and tools industry, this product guarantees high-quality performance and durability. Upgrade your toolkit with the PremiumGrade Hand Tool Return Spring Replacement for seamless crimping operations.