The spring can be continuously tightened and loosened for 80,000 times without deformation or breakage.
Lead pet is a professional manufacturer who mainly produce pet automatic retractable leash, pet collar, pet chest harness, etc.
The spring can be continuously tightened and loosened for 80,000 times without deformation or breakage.
It is still strong and reliable after 10,000 times comprehensive impact test.
The maximum test pulling force can reach 7 times the dog's weight.
Switch life test more than 100,000 times.