Description The Door Lock Springis a versatile product designed for various anti-theft doors and room locks. It is made of iron material, ensuring durability and resistance to deformation. The installation is simple and can be done without professional tools, saving time and effort. It includes bulk lock core card springs, providing a large capacity for replacing and repairing multiple door locks. With its cost-effective price, this product helps you save on maintenance and replacement costs. Features -Color:Black -Material:Iron -Size:4.20X3.00X0.30cm/1.65X1.18X0.12in -This door lock spring accessories set is made from iron material, guaranteeing its durability and resistance to deformation. -It is designed to fit various types of anti-theft doors and room locks, offering comprehensive security protection. -The installation process is hassle-free and does not require any specialized tools, making it convenient for anyone to use. -With a generous quantity of lock core card springs included in each set, it meets the needs for replacing and repairing multiple door locks. -Moreover, its affordable price ensures that you can save on maintenance and replacement expenses. Package list: 10 x Safety Lock Springs