Description: Material: This Couch Spring Repair Kit is made from quality steel material, sturdy and wear resistant, suitable for long term use Sofa Spring Set: This Upholstery Spring Kit includes 4 spring, 8 buckles, and 24 screws to meet your sofa repair needs Easy to Use: This Sofa Upholstery Spring Replacement has good elasticity and toughness. They can be connected to the frame of upholstered furniture, providing support for sofas, chairs, etc Wide Application: These Sofa Repair Spring are ideal for use in sofas, chairs, benches, seats etc., nice for replacing old or damaged spring Practical Accessories: These Furniture Spring are great and practical accessories for your furniture and sofa repairs, The spring can be cut to shorter lengths if needed by using a set of bolt cutter Specification: Material: Steel Size Chart: Length 40cm: 40cm/15.75inch Width 4.8cm/1.89inch loop distance 2.5cm/0.98inch Length 45cm: 45cm/17.72inch Width 4.8cm/1.89inch loop distance 2.5cm/0.98inch Length 50cm: 50cm/19.69inch Width 4.8cm/1.89inch loop distance 2.5cm/0.98inch   Package Includes: 4pcs Sofa Spring 8pcs Clips 24pcs Screws Note: Please allow slightly errors 1-2cm differences due to manual measurement.