Aopin 1 Pair Replacement Garage Door Extension Spring Heavy Duty Stretch Spring,Black, 120 lb

(1). Total Length: 26.4inch/670mm; Wire Dia: 0.118inch/3.0mm; Outer Dia: 1.38inch/35mm; Color: black; Surface Treatment: oxidation and blackening; (2). Our garage door is made of 65Mn high-quality spring steel wire Strengthened by high-temperature heat treatment, it is durable, and has been tested for 16000 cycles (the ultimate tension Max cannot exceed 85% of the total spring length); (3). The spring surface is electroplated and blackened, with corrosion-resistant coating, long service life, easy to clean and rust free; (4). It is designed to replace the old / rusty / damaged / dangerous garage door spring, and it is recommended to be installed by technicians; Choose springs with different weights according to the weight of the door. If you are not sure about the weight of the door, please weigh the door with a scale to make your old garage door look new. (5). Package content: 2 pieces of garage door tension spring (120 pounds);, Manufacturer: Aopin-Hardware