Universal Garage Door Extension Spring Tension Swing Gate Galvanised Various Sizes (6 Pieces 3/20/710 mm #E08536)

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