Universal Garage Door Spring, Tension Galvanised, Various Sizes (2.5/20/400 mm, #E08524)

Material: this spring is made of high-quality wire, which is protected by galvanising against corrosion and different weather conditions DIMENSIONS: The designation of the variant consists of the dimensions of the spring, each number represents a specific dimension according to the formula: wire diameter/outer diameter of the spring/length including hooks; dimensions are given in millimetres Available variants (the variants in brackets correspond to the formula: maximum pull length, achieved force): 3/20/400 (720 mm, 45 kG), 3/20/650 (1200 mm, 45 kG), 5/33/600 (1000 mm, 105 kG), 6/40/5000 (900 mm, 150 kG), 3/20/500 (950 mm, 48 kG), 6/40/600 (1000 mm, 150 kG), 3/20/710 (1400 mm, 50 kG), 3/20/350 (630 mm, 45 kG), 2.5 kG), 2.5 (9000) mm, 25 kg), 6/40/700 (1250 mm, 180 kg) 6/40/550 (1000mm, 186kG), 3/20/550 (1000mm, 45kG), 3/20/600 (1100mm, 45kG), 5/34/500 (950mm, 130kG), 3/20/400 (720 mm, 45 kg), 3/27/700 (1900mm, 33kG), 5/34/550 (1000mm, 120kG), 5/33/700 (1220mm, 130kG), 4/37/700 (1900mm, 55kG), 3/20/450 (820 (820 mm, 45 kg ), 6 pieces 3/20/710 (1400 mm, 51 kG), 6 pieces 3/20/550 (1000 mm, 45 kG), 6 pieces 3/20/400 (720 mm, 43 kG), 6 pieces 3/20/400 (720 kG), 3 kG), 3 /450 (820 mm, 45 kG), 3/20/600 (1100 mm, 45 kG), 3/20/650 (1200 mm, 45 kG), 3/20/500 (950 mm, 45 kg), Manufacturer: QLS