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. Features -Color:Black -Material:Iron -Size:4.50X2.70X0.20cm/1.77X1.06X0.08in - The Door Lock Spring Accessories Kit is a reliable and practical solution for your door lock needs. -Made from iron material, it is highly durable and resistant to deformation. -Its versatile design allows it to be used with various types of anti-theft doors and room locks, ensuring comprehensive security. -The installation process is straightforward and can be done without the need for specialized tools. -With enough lock core card springs included in each set, you have more than enough for replacing and repairing multiple door locks. Package list: 10 x Lock Core Springs